Ihka auc sensor problems. AC427 I think this is just the auto air recirculating sensor - there's a thread on here or E46 fanatics on how some bloke spent about 14. Automatic air recirculation control sensor (AUC sensor) Depending on the version of the heating and air conditioning system, an automatic air recirculation control sensor may be installed. #3 10-29-2019, 06:56 PM Millmo. K. I can't get the ecu The video shows how to remove, clean and refit AUC sensor. My friend taught me to remove a fuse in the glovebox and plug it back in and it kinda helped reset the system but a few moments later it would shut There are 1 issues for Power system： 1. What it’s function. The code(s) either You can pull out the temp sensor and clean it with some 2000 grit paper very gently, until the brass shiny again. Once the IHKA is on the Standby mode and got the command "Turn-on A/C" from DME, it then drives X18341 pin 1 and send "Done" through X610 pin 3 to DME. I put aside and deal with this problem later. What does AUC sensor for. The junction box electronics evaluate the data of the AUC sensor. Coolant Temp Sensor, AUX Fan Fuse, and refilled R-12. . IHKS and IHKA versions are equipped with an evaporator temperature sensor to avoid evaporator icing. 3-12. If the symptom occurs when using the AC it could be a pressure sensor (R143a charge level), an evaporator temperature sensor (shuts off the AC to prevent the evap from icing up). Once you return the old part you will be BMW AUC Climate Control Sensor - Genuine BMW 64116917001 318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, & more Save for later 8 Ratings Available In Stock. F40Model Year: 2019 Could this be the IHKA or JBE not properly interpreting the and the over voltage is causing a problem with the AC sensor, or worse it's toasted my JBE. If the symptom occurs when using the AC it could be a pressure sensor (R143a charge level), an evaporator temperature sensor (shuts off the AC to prevent the evap from 5 E70 Climate Control Systems Introduction The heating/air-conditioning system of the E70 is designed as water temperature con-trolled system. Bimmerpost ☰ Model Selection. No Message (Engine Data, 0x45) From 11. If the AUC sensor voltage increases to 3. The AUC sensor detects the following pollutant emissions from spark-ignition and diesel engines: Hydrocarbons (CH ) carbon monoxide (CO) Nitrogen oxides (nitrogen monoxide NO, nitrogen dioxide NO2) The junction box supplies the AUC sensor with voltage. Posts Code reader only gave me the code for IHKA AUC sensor. one by one. No I have this fault code and my air con doesnt work properly when its set to automatic cabin circulation. 0L, Concur, it doesn't sound like the FSR. 9915 SBSR: Seat-occupancy detector, passenger: communication fault present MaxiSys VEHICLE DIAGNOSTIC REPORT royers322motors. AUC Sensor, DC/DC Converter. AUC SENSOR: I have codes 009C54, 009C55, 009C77 & 009C78 for the IHKA. 0D sport, and have already fixed a fair few problems with it, but need help with the following: 1. Location: Cook County. 710g gas charged. In practical terms it detects conditions with a lot of exhaust fumes in the air. 0L, BMW E88, BMW E90, BMW E91, BMW E92, BMW E93, BMW F22, BMW F23 228i N20 2. sensorAUC SENSOR AND WATER CONTROL I BOUGHT ONE BUT THERE'S NOWHERE TO PUT ONE AND I DID BUY BRAND NEW WATER CONTROL VALVE THOUGHT THAT WOULD CLEAR THE PROBLEM BUT THE CODES KEEP COMING BACK When I went to The actual sensor inside is called a Figaro TGS 822 sensing element . After playing with the temp knob to 28C (max heat), the vent blow full hot air. BMWPartsDeal. Here are the common bad oxygen sensor symptoms to look out for. Thanks again, Hello Members: Still working on my '07 328xi a/c problem - only blowing warm air. It might prevent the auto-recirculate from working, but the AC itself shouldn't be affected. How high can the alternator voltage safely go on an e93?. Obviously from the above entry, light sensor != solar sensor. maybe IHKA problem. Very simple as it’s basically a box that slides into another box. com offers the wholesale prices for genuine 2004 BMW 645Ci Coupe(E63) parts. So I bought a new electrical installation for air box, new solar sensor , new AUC sensor, used air grid front. I know it's a little sensor in a box, with some wool sponge filter in it. The IHKA module supplies the power and ground path [Actually NOT, at least on our E9x Models, according to attached ISTA SSP Wiring Diagram. 3 posts • Page 1 of 1. No Message (CAS 0x304), Receiver DSC, Transmitter CAS. The only weird thing is: When the servotronic and restraint fault pops up it feels 14. Parts like . M ///M Protocol. 3 independent workshops could also not find the problem. That sensor was bad and tells the IHKA auto unit to turn off the A/C and have the I have few other codes 000004 LWS slider fault (adjustment operation), 00001e IHKA AUC sensor, 000020 IHKA AUC heating, 0000A1 MRS No message from DSC control unit or message incorrect, 0000A3 MRS no message from DSC control unit or message incorrect, 002ef8 DME: Map thermostat, activation AUC Sensor, DC/DC Converter. I just had it scanned by an ODM II tool and it says that there are problems with my "IHKA: AUC Sensor" and "IHKA: BMW 318i A/C Pressure Senor [Archive] - Bimmerforums - The Ultimate BMW Forum Bimmerforums - The Ultimate BMW Forum > BMW Models > 3 series & 4 Series (E21, E30, E36, E46, E9x, F30, F32, F33, F36, F44) > 1999 - 2006 (E46) > BMW 318i A/C AUC Sensor, DC/DC Converter. If you have a multimeter, test the reistance over the entire wires (4x), from sensor to IHKA module. If you set the recircualting flap to "automatic" it will either open or close the flap depending on the detected air qulity from the sensor. gofundme. 5. Fuse ATO . Core charges are assigned to parts that have reusable components by manufacturers to encourage the return of the used units. Heyy I have a related problem with my 08 BMW 750li (E65/E66) and my car stalled on me then it tried It does sound like the IHKA could be at the heart of the problem. 15A: 50: Rear Wiper Relay. Where is There are 2 items that have plugs on them sitting in front of your passenger-side microfilter housing cover. The AUC sensor is the air quality sensor which is near the cabin filter under the hood. ALL THE TIME! It gets the voltage from the automatic climate control module (IHKA) in the dash. Before replacing above sensor, I ordered the AUC sensor with partno: 924018001, which is this sensor: However when I wanted to replace above sensor, I couldn't locate it. I have a BMW e60 with the N47 engine. The car’s trip computer uses the MAP sensor to determine the air pressure before starting the engine. Save Share Genuine BMW AUC Sensor Automatic Recirculated Air Control InStock Ships Today! $100. 4,002 A DTC IHKA AUC sensor 1E DTC IHKA auxiliary water pump IKE instrument cluster electronics fault 3 8? 8D DTC IKE EGS signal line disturbed F5 DTC IKE A bunch of those could be "legacy" codes from when there was a problem before. 327 posts · Joined 2013 Add to quote; Only show this user #12 here are my Faults Number Of Fault Memories: 16/16 CODE DESCRIPTION 000011 KOMBI: Thermal oil-level sensor 000014 LSZ2: Wire, brake-light switch, open circuit S 0017 No communication possible with: Multifunction steering wheel 0000F1 DME: Misfire, Cylinder 4 00001F DME: Activation, ignition, cylinder 5 000020 IHKA: AUC heating 000020 Trouble code: 9c54 IHKA: AUC Sensor That's AUC sensor can activate activate recirculation mode under certain conditions -- for example, if it detects a lot of diesel exhaust. You In this tech article, I will show you how to test your heater control valve and replace it if necessary. IHKA is the fully automatic climate control system found on most E39 sold in the North American market. the later upgraded AUC sensor is more expensive and part not readily found. So what I did was I removed the module, opened it. v. 5A: 31: (except IHKA), Blower Motor (IHKA), Blower Output Stage (IHKA) Fuse ATO . To prevent glass fogging, the system has built-in time limits: 3 minutes when heating and 12 minutes when cooling. kalinkamaen Discussion 9C6E/present IHKA: Solar Sensor E71B/present Message (heating current, engin 0x1B6) faulty, receiver IHKA, transmitter DME-DDE AUC sensor-----93C3/present MRS: Seat-occupancy detection, passenger 93FB/present No message (vehicle speed) from DSC, ACSM receiver/MRS5 DSC transmitter It will give you a lot more information and allow you to AUC sensor , AUC heater หาข้อมูลในเว็บหลายท่าน บอกไม่เป็นไร ลบโค๊ดก็ไม่หายด้วยความอยากรู้หาข้อมูล พบว่า อุปกรณ์ตัวนี้มี sensor TGS 822 อยู่ด้านใน จับค่าไอน้ำมัน Sensor fan sometimes not work! IHKA Problem gone with cleaning the cooper line under the fan Sent from my GT-I9305 using BimmerApp mobile app . The performance of the system has increased with regard to cooling power, heating The actual sensor inside is called a Figaro TGS 822 sensing element . I've had the car since new and this was the first problem with the A/C. Kaz786 Discussion starter 9 posts · Joined 2020 The problem is that I dont have IHKA to test it. Non of my friends has E46. can temp be set with the joy stick? Vaikkei nuo muut IHKA-koodit mitään sinänsä harvinaisia olekaan (aika monessa autossa on AUC ja fogging sensorit jo rikki), niin noiden kaikkien siellä oleminen sopisi myös siihen, että se IHKA siellä on jotenkin kipeänä. The sensor signal is used as the input variable for activating the A/C compressor by the DME or junction box. Times have changed and today’s car buying public wants to dial in a desired temperature and turn over regulation to a processor (See https://www. The problem I face with my BMW e60 is that ik keeps on blowing hot air out one of the vents. my alternator is working, i can check it from voltage, also i change the battery yesterday. I'm not sure if your car has the AUC sensor. 000006 IHKA: Supply, pressure sensor AUC 000008 IHKA: Pressure sensor 00000F IHKA: AUC sensor I would be amazed if these aren't related to a single fault somewhere. hope this helps edit: and as for no heat, I've never seen one of these sensors cause said problems. The AUC sensor detects the following pollutant emissions from spark-ignition and diesel engines: This is BMW parts item 64119240180 (64-11-9-240-180), described as Genuine BMW Sensor for Automatic Recirculation Control (AUC), that you can buy at the best price with fast shipping. These two are not particularly related. So I would say prob not worth replacing that AUC sensor it's not the culprit to cool air. Top. So it may or may not fix your issue. Location: Minneapolis. AUC is mounted on the side of the radiator shroud (often the mounting breaks) and its purpose is to monitor the levels of oxidizable gasses in the air stream flowing through the radiator. Sometimes when I unlock my car the alarm will go off. The engine is very sensitive to having the right air-fuel mixture at the starting moment, and therefore, a faulty reading can cause too little fuel to be delivered to the engine. The AUC sensor is a air quality sensor. youcanic. Quick Links. seems it is located at the front of the car, driver or passanger side and norm. There are 5 issues for Safety and Security system： 1. com/scanner/Get Factory Service Repair Manuals & Specs https://www. sometimes car throws parking br. Had my X5 at 2 BMW dealers that could not trace the problem. IHKA: AUC Sensor 12. Fault code for AUC Sensor - A6CF. In A/C mode, the refrigerant high pressure sensor is monitored by the DME. 93. I just had it scanned by an ODM II tool and it says that there are problems with my "IHKA: AUC Sensor" and "IHKA: BMW 318i A/C Pressure Senor [Archive] - Bimmerforums - The Ultimate BMW Forum Bimmerforums - The Ultimate BMW Forum > BMW Models > 3 series & 4 Series (E21, E30, E36, E46, E9x, F30, F32, F33, F36, F44) > 1999 - 2006 (E46) > BMW 318i A/C Like what problems would I notice that could by caused by this? - 000019 IHKA: Auxiliary water pump. 15A: 50: Useful information Community 00000A IHKA AUC sensor 000014 LCM: tight Check Module: fault stored 000021 EGS: Turbine speed sensor (P0715) 000031 EGS: Symptom, gear monitoring 000037 EGS: Gear monitoring 5 (P0735) 000041 EGS: Gear monitoring The problem might also be the transmission gear position switch. Removing a flap or door motor to allow manual operation will determine whether the problem will require a dash removal to repair or replace a broken door or flap (See Photo 9). The video shows how to remove, clean and refit AUC sensor. It is easy to pull but difficult to put it back. Probably will require careful disassembly, filter replacement and internal sensor. 1. Unable to get ac working Have fault codes 1A 1E and 20AUC. DSC: Hydraulic Unit: Pressure Sensor, Plausibility 5 E70 Climate Control Systems Introduction The heating/air-conditioning system of the E70 is designed as water temperature con-trolled system. All temprature turned on lowest and in the Idirve settings all is turned on the lowest or coldest temprature but still it is blowing HOT! out one of the vents. See picture as well. 40A: them. • Between the line of the capacitor and the evaporator is located the refrigerant pressure sensor. • The AUC sensor is a metal oxide sensor I'm having heating & A/C issues. 40A: 49: Car Access System. You need to drive the car to definitively rule out the IHKA. Track Your Order; Clearance; My AUC sensor is also not working, nor is the fogging sensor on the windshield (ISTA shows codes for both saying implausible signal) and my AC works great. Hi I have a problem with my 05 BMW e46. 30A: 49: Amplifier. Bmw 9c55 fogging sensor replacement AUC Sensor, DC/DC Converter. Thanks to others before me, I knew that it stemmed from the AUC or air quality module located on the upper No, your IHKA panel is fine. I would _suspect_ the same 5V source is used for I was continually getting a AUC 20 fault code that I couldn’t solve. CID and Controller For this reason alone, you want to fix the defective oxygen sensor because it causes bigger problems. DSC: Hydraulic Unit: Pressure Sensor, Plausibility. I thought need only to replace the AUC sensor, but now as I found your thread I'm confused. 4,002 My 2002 330xi has a hcv problem. 0 Reply. The images are for illustrative purposes only and the product may vary. When this Hello all, I started to retrofit my climate high with buying a used air box from ebay, witch had IHKA unit, all flap motors and temperature sensors on it, only wires I had to change because they were cut. I havent bothered repairing it yet. People have repaired the auc sensor by replacing this specific part. Tech says its either a problem with electronics, or the compressor is done. 2. Code reader only gave me the code for IHKA AUC sensor. Would this cause any additional problems if I wait until winter to fix it? - 00001E IHKA: AUC senor. E60. The activation of the blower motor via the blower. Hopefully this gives someone a better idea of the problem I am having. Add to Wishlist. I think its due to my bat. The AUC sensor sends the corresponding level as a I have a 2010 550 and was playing around with ISTA and noticed IHKA had errors. 2009 535xi wagon. experience as BMW Master Technician, Shop Foreman, ASE Master Certified. Retrofits: CIC, Wireless CarPlay, Ventilated seats, Active backrest width adjustment, Auto rear liftgate, ZHP shift knob 9C64 - Automatic recirculated-air control (AUC) sensor code Jump to Latest 12K views 6 replies 4 participants last post by wildcat1212 Oct 7, 2022 I did that but still nothing as I kept getting the AUC 20 fault code. AUC-2 Sensor The AUC-2 sensor is located on the cooling fan housing at the top. Our professionals are here to help make sure you find the answers you need to your questions and 5 E70 Climate Control Systems Introduction The heating/air-conditioning system of the E70 is designed as water temperature con-trolled system. When we last spoke, the AUC sensor was assumed to. I had some. an open circuit before it connects to the instrument cluster) and a missing K bus signal between the cluster and IHKA. The AUC sensor is a metal oxide sensor. But instead this one came up: AUC Sensor, DC/DC Converter. ~~tmp~~. Interior temperature sensor (IHKA and FKA) Refrigerant pressure sensor Evaporator temperature sensor (IHKA and HKA) of the resistors enable a temperature of approx. A three-position switch, a couple of levers and maybe some separate vents that would allow outside air to enter the passenger compartment. Detailed 55-page guide on the operation and design of the IHKA climate-control / heating / air-conditioning system that started in the E65 7-Series and made it on to succeeding models such as the E60 5-Ser, E63 6-Ser and E53 X5. I checked with my Gt1 and followed the 00020 IHKA AUC Heating For example, the common water pump and oil filter housing gasket are seen in real life to be common problem areas, but there is no hard evidence that these are problems. IHKA [IHKA_F15] | E71429: Signal (AUC sensor data, 0x2D0) invalid, transmitter BDC AIRBAG [ACSM4] | No errors found HEADUNIT [NBT] | No errors found KOMBI [KOMB01] | E11470: No message (status, lane departure warning system, 0x327), receiver KOMBI, transmitter KAFAS Sensor for automatic air-recirculation control (IHKA High only) The AUC sensor is installed at the top of the fan cowl. Had the system evacuated and recharged, still no good. Auc are shipped directly from authorized BMW dealers and backed by the manufacturer's warranty. From my understanding this issue would only affect automatic heating/air conditioning? I was having heating issues during the winter. Did you erase all fault Clearing codes and disconnecting AUC sensor will also throw a A6CF code, so it seems the fault is quite general and does not refer to the function of the AUC sensor itself. The sensor is the size of a pencil eraser and is covered with glass or smooth plastic. The IHKA processes this signal and determines the load torque of the system (0 Sensor for automatic air recirculation control > E8x, E9x only IHKA > E7x (only integrated automatic heating and air-conditioning system in High version) The AUC sensor is fitted on the microfilter compartment. I haven’t had any problems until recently. Thanks again, Register for the Model T Driving Experience. AUC Sensor Fix. Posts: 22 Done Not sure if this is part of the problem. When we last spoke, the AUC sensor was assumed to be the culprit (see history). c. The aux water pump can be repaired or even completely shunted. With normal air quality, the AUC sensor reads about 0. 2019 Hyundai Nexo fuse box diagram; The IHKA determines the load torque for compressor activation and required auxiliary fan speed from the pressure sensor mounted on the receiver/dryer. The one in the link is the AUC sensor which monitors outside air quality for the auto recirculation function. Adding The item has been added Buy now. I then got a qtip “ear swab” and cleaned the sensor. Mine had problem when after a long highway drive the vent seems not blowing any air and the cabin feels hot again. 1V too. Secondary fan will not kick on, AC is sporadic if any, heat constantly flowing, etc. 9C54 IHKA: AUC sensor E71C Message (speed, 0x1A0) faulty, receiver IHKA, transmitter DSC I thought some of the fault codes was due to the front right wheel speed sensor. As a result, the engine From what I understand the internal sensor has a finite life, so if you've confirmed that you have 12v supply to the sensor module, your best bet is to order new or slightly used sensor. IHKA: AUC sensor - which I believe is the sensor monitoring air pollution, which I Bimmerforums is the preferred online BMW Forum and community for BMW owners. hate to go to my dealer. 6 speed manual. To make sure there is still an adequate supply of fresh air, air recirculation is only available for a limited time: BMW E60 E61 AUC CLIMATE CONTROL SENSOR FUSE 525i 528i 530i 535i 540i 550i 520i 523i 520d 525d 530d 535dIf you have BMW E60 E61 5 series and you need to see w IHKA [IHKA_F15] | E71429: Signal (AUC sensor data, 0x2D0) invalid, transmitter BDC AIRBAG [ACSM4] | No errors found HEADUNIT [NBT] | No errors found KOMBI [KOMB01] | E11470: No message (status, lane departure warning system, 0x327), receiver KOMBI, transmitter KAFAS หาอ่านในกระทู้เก่าๆก้ไม่ค่อยชัดเจนว่าถ้าsensorตัวนี้เสียจะมีอาการอย่างไร ผมถอดออกมาเอามันวางใว้บนหลังคากรงกระต่าย ติดเครื่องเปิดแอร์ก็ The AUC sensor is fitted on the microfilter compartment. 0L, BMW E84 X1 xDrive35i N55 3. Hi, Everyone I've been trying to locate the auc sensor on my 2006 x3 3. 5A: 31: N47 Fuel Heater, Electric Auxiliary Heater. 120 °C in the area surrounding the heating elements that presents no problem for the heater/air conditioning system. 15A: 50: Rear Wiper Motor Relay. Message (Battery Voltage, 0x3BE) Faulty, Receiver IHKA, Transmitter DME-DDE Current, 0x1B6) Hi all, i want to replace the air temp sensor as my obc is reading -35C. The sensor is like $85 from the dealer and should be good for about five years, When the heater goes bad, open circuits, you get the fault in the IHKA module for AUC heating. First thing done was to change the transfer case As far as I know (might be wrong), for the Behr IHKA control unit as you have one, there are 2 versions, 1 without AUC, one with AUC. Fuse MINI . If you are getting AUC sensor errors in the IHKA module like 28 AUC Sensor-open circuit or 30 AUC Heating-short circuit to ground, I would suggest changing the sensor rather There are two common areas in your reported troubles, the roof function center and the AUC automatic recirculation system sensor. PWM signal (pulse width modulated signal) to the output stage. [E46] DIS Error: 20 IHKA AUC Heating, Short circuit to negative! Thread starter AC427; Start date May 19, 2015; When you purchase through links on our site, we may earn an affiliate commission. After it reaches a preset value, the IHKA closes the fresh air flaps. What is common to AUC and RLSS and BSS I have same fault code on my X3 F25 2015 m. The two errors are 009C54 - AUC sensor and 009C6B - Auxiliary-water pump. 15A: 50: Useful information Community Problems and issues Useful guides Owner's reviews Comparisons Search Help. AUC is mounted on the side of AC: 9C54 IHKA AUC sensor 9C55 IHKA Fogging sensor (K-CAN Line Fault) PM: D9C4 MPM K-CAN Line Fault DWA: D944 DWA K-CAN Line Fault PDC: ECU not present I have two questions: Is it possible that the K-CAN Line Fault could affect the blower motor control? Is it possible to test the blower motor with out using the IHKA, ie, just a simple connection Vaikkei nuo muut IHKA-koodit mitään sinänsä harvinaisia olekaan (aika monessa autossa on AUC ja fogging sensorit jo rikki), niin noiden kaikkien siellä oleminen sopisi myös siihen, että se IHKA siellä on jotenkin kipeänä. The bottom line is that I just don’t trust what the dealership is telling me. Therefore, they Bimmerforums is the preferred online BMW Forum and community for BMW owners. Anyone know if that fog sensor would be the problem?I have a digital thermometer in my vent and ONE day it blew at 42 and after that it's in the 60s. This is an older thread, you may not receive a response This morning, I hooked the AUC sensor up. After reading through the site, looking at google, etc. + Change the AUC Sensor (Most likely) Fault code 9C54 IHKA : AUC Senor Need help with this fault code that has been showing up. I suspect the fan relay on the left side of the shroud has failed, as that is the only thing remaining to replace AFAIK (I could, however, have a poor wire connection somewhere). - The IHKA control panel and control module form one component. The sensor is exposed to the sideways downwind from the auxiliary fan. 2. Just one problem, mine isnt in any of those locations and it is starting to crack AUC Sensor, DC/DC Converter. I'm betting your car doesn't have the solar sensor. 40A: 52: Useful information Community Problems and issues Useful guides Owner's reviews Like what problems would I notice that could by caused by this? - 000019 IHKA: Auxiliary water pump. Hi all, I have a 2003 330i that I put all the factory alarm stuff in a few years ago (ultrasonic interior sensor, trunk tilt sensor, and horn). Super simple to replace it, but it shouldn't affect the AC compressor. Aside from mechanical failure, the heating problems in your car may also be caused by a The AUC sensor detects fuel and combustion gases. but it doesnot work. The AUC is located in. The IHKA control unit is the brains of your HVAC unit for your car. 0V, the ventilation or fresh air flaps will close (0%). side luke warm,unplugged heater control valve,both hoses to core are hot,new tstat,sounds like blend door issues. pdf. The system has refrigerant-pressures roughly track ambient. However, additional sensors and a refrigerant circuit for A/C control are added to IHKA systems. According to those INPA readings it seems like IHKA is giving full voltage to water valves and so they should be totally closed (water valves are open in rest state and closed with PWM voltage). Many cars have several oxygen sensors, but they are all monitoring the amount of oxygen in the exhaust. One is the hood switch and the other is your AUC sensor. but I'm hesitant to replace that and throw more money at it since I'm not sure that is my problem. It's not what I'm seeing, so it seems the signal is present. 40A: 51: Car Access System. I am going to replace the AUC sensor and take it from there. The biggest problem here is access, as some are buried deep in the wiring and dash components. For this reason alone, you want to fix the defective oxygen sensor because it causes bigger problems. Yes i cant spin the wheel in the center (hot, cold air) but atleast i get air flow from all vents now. It only controls& affects the automatic setting of the recircualting flap. This sensor is highly sensitive to various smells and pollutants that are typical of traffic. It can be found near the engine or on the exhaust manifold. Checked voltage on my 2 year old battery while it’s going off and I’m at 12. To check a fuse, look at the silver-colored band inside the fuse. 00001E - IHKA: AUC heating 0000F5 - KOMBI: No CAN identification (ASC) 000011 - KOMBI: Thermal oil-level sensor In most cases this is because one or both of the sensors has a progressive failure and is now "out of spec. C. E721 - No message (failure of HDC display, 0x32D), receiver IHKA transmitter DSC E729 - No message (automatic air recirculation control sensor, 0x2D0) receiver integrated automatic heating / air conditioning system, transmitter JBE INSTR Instrument cluster----- A3AC - No message (distance travelled, 0x1A6) receiver Kombi, transmitter DSC AUC Sensor, DC/DC Converter: 34: 7. Turn the release knob on the filter cover; it’s located on the right side of the climate control system housing just back from the firewall, near where the fan resistor is located. Message (Battery Voltage, 0x3BE) Faulty, Receiver IHKA, bmw 7 series questions auc sensor location cargurus, bmw obd unicode ucs 2 code chart columbia university, fault code 9c54 ihka auc senor bmw m5 forum and m6 forums, c est quoi ces codes bmw complete diagnostic fault code list e36 e46 e90 and, bmw climate control cooling system problems and repairs, 2007 2013 bmw x5 e70 diesel 3 B. The performance of the system has increased with regard to cooling power, heating JBBF [JBBF70] | A6CF: AUC sensor <<<<---- Ordered new one JBBF [JBBF70] | 9C69: Rear-cabin stratification adjuster I ordered that very same part for a problem that ended up being an issue with the IHKA controller. The performance of the system has increased with regard to cooling power, heating 9C6E/present IHKA: Solar Sensor E71B/present Message (heating current, engin 0x1B6) faulty, receiver IHKA, transmitter DME-DDE (failure, DSC message, 0x19E0) No repair measures available, receiver KOMBI, transmitter DSC AUC sensor-----93C3/present MRS: Seat-occupancy detection, passenger 93FB/present No message (vehicle speed) from DSC AUC Sensor, DC/DC Converter. IHKA : AUC sensor 2) 9C79 IHKA : Water valve, left 3) 9C7A IHKA : Water valve, right What is wrong with the vehicle? Customer. Latest health reading of the car below and I have also add a hyperlink: 1. Attachments. DarkApollo Newbie Posts: 44 Joined: Mon Oct 09, 2023 2:03 pm. I'm back on my 07 525i E60 with an ac problem. I replaced the capacitor over the weekend but now the unit doesn't work at all. Everyone has it. 5V. earlier ones have a sensor “button” part (Figaro TGS 822) that can be replaced internally. 2008 Bmw 535 Xi. The AUC sensor detects the following pollutant emissions from spark-ignition and diesel engines 0x05619C54 9C54 AUC sensor In the engine bay, plugged into the top left (as you look into the bay) of the radiator fan. 1V, and the AUC sensor is reading 0. CCC:n buuttailu on oma juttunsa. It's possible I did damage to the circuit board as I found it a fiddly job thanks in no small part to the copious amount of lacquer. Do you have your original ihka , or did you upgrade to the newer style ? Sent from my GT-N7000 using Bimmer App . a. The IHKA control units. Call (310)626-8765. Create New Wish List; Product Details. If I disconnect The AUC sensor detects the presence of hydrocarbons in the air and sends a signal to the IHKA to close the outside vent doors, to prevent their entry into the cabin. 201881595513. 0. Unscrew the auxiliary relay panel; usually two vertical screws and one horizontal going toward the firewall. 189. The sensor operation is identical to the E65. 000020 Footwell temperature sensor left / Latent heat storage shut-off valve / AUC heating / Vehicle speed / Valveation temperature sensor left / Motor valveation flap / Water valve right / The engine is running / Heaters / Valveation temperature sensor left IHKA / Info motor valveation Basically, the IHKA collects all sensor information and send the "Standby" signal to DME. Right side (driver) adaptive Xenon light was way higher than it should be, but did actively direct light up down left and right when needed. , front load sensor, open circ. Parts fit for the following vehicle options. My 2006 530xi A/C quit blowing cold last summer. Does anyone know what 20 IHKA AUC heating is ? Shorting to ground is a bit worrying. Problem: Automatic Air Re-Circulation (AUC) when bad odors are outside is not working. However, it could be IHKA If it happens during 9C54 IHKA: AUC sensor present E704 IHKA: K-CAN line fault present 9C55 IHKA: Fogging sensor present A548 Message (Active Steering, 0x1FC) faulty, receiver KOMBI, transmitter AFS present E104 KOMBI: K-CAN line fault present SMG problems can stop the starter from cranking. This sensor can trigger the automatic climate control (IHKA) to shift into the recirculating air mode IF the recirc button is in the auto mode. I probably didn't plug the AUC Sensor, DC/DC Converter: 34: 7. When i take the car out the next day, it startes fine and idles without any smell. On E31 vehicles, this button is mounted located on the instrument panel, between the instrument An AUC sensor, located in the engine compartment, monitors the level of oxidizable gases in ambient air and notifies the control panel/module when these gases reach a specified level. It does sound like the IHKA could be at the heart of the problem. It makes the temp sensor a little more responsive. My entire ihka was stuck, i just unplugged flap motors, and opened them manually. The car has, had, DCS, ICM and all of the no auc code heating ihka. or you can close the outside fresh air vent when you smell/see dirty air and not worry about it. I think the light sensor is integrated with the rear view mirror, and we all know where the rain sensor is. Sensor F. Probably will replace entire ihka when my salon radiator goes bad, but for now im good Hello! Yes, I'm crazy enough to make the 2-zone climate with rear ventilation conversion from the single zone Bought HVAC high, all vents, rear air duct, climate control IHKA high, AUC Sensor, connectors, pins, cable wiring and wired everything and coded the IHKA high unit and everything is working correctly except for AUC Sensor and vents which Here the AUC sensor is located in the BMW e39, the function of this sensor is to check the quality of the air outside the car. The AUC sensor can be replaced, or ignored -if you don't mind stinky air occasionally getting into the cabin. I have replaced the sensor by the radiator with a used one and the code is still there. com/f/help-a-bmw-tech?utm_source=customer&utm_medium=copy_link&utm_campaign=p_cf+share-flow-1 This Genuine BMW Automatic Recirculated Air Control (Mfg#64119240180) fits BMW E60, BMW E61, BMW E63, BMW E64, BMW E65, BMW E66, BMW E70, BMW E71, BMW E82, BMW E84 X1 sDrive28i N20 2. Back to X610 pin 10 and 24, supposedly represents heater element and should have around 38 ohm according to my test yesterday. When I pull it up on DIS it shows "value or signal above threshold" This sensor is used for air recirculation. Member : Join Date: Apr 2019. Short circuit to positive or open circuit (AUC) and 009C6B - Solar Sensor right. 5A: (except IHKA), Blower Motor (IHKA), Blower Output Stage (IHKA) 49: 30A: Amplifier: 50: 15A: Rear Wiper Motor Relay: 51: 40A: consult qualified professionals or experts for assistance with complex electrical problems or any other automotive issues. I bought a set of A/C gauges and hooked them up. LATEST ARTICLES. I have codes 009C54, 009C55, 009C77 & 009C78 for the IHKA. There was a time when the heating and ventilation system on most cars was simple. IHKA - 20 IHKA: AUC heating - - - - Short circuit to negative AUC sensor B6450_00107 VTG - 54C6 VTG: Oil wear - value too high Transmission oil B2710_VGOEL DDE - 40A4 DDE: Exhaust-gas recirculation controller, position, long-term drift Finally had some time to work around the problems. The IHKA control unit is a bus user on the K- CAN. It controls A/C functions, heater functions and mode door operation. The 0 °C substitute value is stated in TIS for the latter case. com offers the wholesale prices for genuine 2011 BMW X3 xDrive35i(F25) parts. The only fault in the IHKA memory is AUC heating. 0000EB - DME: Trimming, oxygen sensor before catalytic converter, bank 1 0000EE - DME: Misfire, cylinder 1 0000F1 - DME: Misfire, cylinder 4 00001E - IHKA: AUC heating 0000F5 - KOMBI: No CAN identification (ASC) 000011 - KOMBI: Thermal oil-level sensor 000021 - LSZ2: Headl. electronics (JBE). One is headlight-related, the other is IHKA. BSD, Message; Intelligent Battery Sensor (IBS): Missing. No Message (Engine Data, 0x45) From Engine Control, SIM Receiver, DME-DDE Transmitter 11. Parts: 67326937774 The IHKA E31 control panel does not contain the rear window defroster button. 40A: 47: Footwell Module. - 2000 Z3: Many Mods. has anything been done yet to correct this problem yet ? was anything done to where now you have this problem ? Discover more answers. This one I knew before I bought it - the AC does not work. Is this problem solves with replacing the Heater Valve? Thank you so much. ecstuning. Different engine but you get the idea . I bet My Dad's 2002 330d Touring is showing code "1E IHKA AUC heating". I dont think that's the problem. Sent from my VS988 using 0F IHKA:AUC sensor 11 IHKA: Potentiometer, fan 33 IHKA: K bus, outside temperature 36 IHKA: K bus, coolant temperature Radio RADIO 1 High probability of a battery supply problem, check the main cable and that the earth is making good contact. the interior sensor is located in the IHKA control panel right by the fan speed buttons. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Roger. If I disconnect the sensor I get "1C IHKA AUC sensor" I've loaded INPA as well, and confirmed the pressure sensor is reading 0bar/0. However, Another great insight to what may be the problem. The IHKA processes this signal and determines the load torque of the system (0 Buy YOUCANIC Pro Scanner https://www. https://www. E36 318i 1999 vert-current. If My Dad's 2002 330d Touring is showing code "1E IHKA AUC heating". SGM-SIM: Undervoltage 2. 9C59 IHKA: Evaporator temperature sensor 9C5A IHKA: Heating heat-exchanger sensor, left 9C5B IHKA: Ventilating-temperature sensor, left A6CF - JBE: AUC sensor C914 - No message (status, air conditioning, 0x246), receiver JBE, transmitter IHKA/SZL This greatly reduces the chance of damage caused by electrical problems. 7 KB Views: 529. Just allow sufficient time to diagnose and repair. Anyway yes, air recirculation works without AUC, when the M led turns on it simply closes and when you press again the M led turns off and it opens If you code AUC is only to have the A led working but the IHKA won't open/close automatically because, as I said, single zone automated climate control doesn't have the AUC sensor Vaikkei nuo muut IHKA-koodit mitään sinänsä harvinaisia olekaan (aika monessa autossa on AUC ja fogging sensorit jo rikki), niin noiden kaikkien siellä oleminen sopisi myös siihen, että se IHKA siellä on jotenkin kipeänä. For the aux fan problem, I have replaced the aux fan, the radiator outlet coolant temp sensor/switch on the lower radiator hose and verified the 40A and 50A fuses under the pass dash are good. IHKA System Components The IHKA consists of following components: • Control panel/control module • Heater/air conditioner unit • AUC sensor • A/C compressor • Refrigerant pressure sensor • Rear window defogger relay Note: The solar sensor is not available on the E85 IHKA AUC Sensor, DC/DC Converter. 9915 SBSR: Seat-occupancy detector, passenger: communication fault present MaxiSys VEHICLE DIAGNOSTIC REPORT Heyy I have a related problem with my 08 BMW 750li (E65/E66) and my car stalled on me then it tried cranking real slow and I got a lot of K-CAN line faults to the CAS, CIM, DWA, WM I have replaced the evaporator, evaporator temperature sensor, compressor, condenser, aircon pressure sensor, climate control unit and still freezes evaporator and low pressure pipe. The climate control computer on my E36 was affected by the dodgy capacitor issue causing it to turn on and off intermittently. Siihen löytyy apu joko Romaniasta tai Suomesta niiltä, jotka noita osaa korjata. Member : Join Date: Aug 2012. Pressure Sensor is connected to JBE Module. AUC Sensor, DC/DC Converter: 5: Heating/Air Conditioning System (except IHKA), Blower Motor (IHKA), Blower Output Stage (IHKA) 49: 40: 2006-2009 AUC Sensor, DC/DC Converter. If the AUC II sensor detects an increased level of pollutants in the environment from spark-ignition and diesel engines, the IHKA control unit will automatically switch to air recirculation mode. After searching a lot on Google I thought I found somewhere that the second sensor is for LCI only. Another great insight to what may be the problem. com/manualsAsk Car Questions & Get AUC Sensor, DC/DC Converter. DME based on uncertain conditions and send out "Turn-on A/C" signal through X610 pin 2 on the IHKA. The AUC could be a wiring problem. None of those fault codes explains your problem. ↳ G29 Problems; E89 Z4 Discussion (2009+) ↳ E89 Z4 discussion (2009+) ↳ E89 problems; ↳ How-To; E85 / E86 Z4 Discussion (2003 - 2009) IHKA (Integrated Automatic Heating and A/C System), AUC (Automatic Air Recirculation Control) sensor IHKA (Integrated Automatic Heating and A/C The AUC sensor can not affect the blower control in any way. Got 2 IHKA related errors back: The AUC sensor and Fogging If AC has problems to maintain necessary evaporator temperature, check the amount of freon in the system, if necessary – refill it. It can be found near the engine I have replaced the evaporator, evaporator temperature sensor, compressor, condenser, aircon pressure sensor, climate control unit and still freezes evaporator and low pressure pipe. Problems with Your Order; Order FAQ; Lifetime Replacement; Contact Us; 310-626-8765; Mon-Fri: 7am - 5pm (PST) Please select a make. If, for example, the evaporator temperature doesn’t drop down, even the pressure sensor shows above 10 bar in high-pressure contour: check the indications of the pressure sensor (compare to indications of 2005 BMW 325i e46. Ignore the AUC sensor code. Mine was reporting the stratification flap + a Lin Bus error, but as I understand it, the The AUC sensor is an air quality sensor and is used to control the ventilation in the vehi- cle interior (fresh air, recirculated air) in combination with the IHKA control unit, depending on how much traffic-specific pollutant the fresh air contains. Heating/Air Conditioning System (except IHKA), Blower Motor (IHKA), Blower Output Stage (IHKA) Fuse ATO . I will have 2008 Bmw 535 Xi. Price each: $80. Debris falling down the The AUC sensor function is to detect pollutants in the ambient air when A/C is using outside air (as opposed to recirculating inside air). y. www. There's also a refrigerant pressure sensor on the high pressure AC line. there are i believe two versions of sensor. I will have my mechanic take a look at it tomorrow. 40A: 48: Footwell Module. Quick Navigation 1996 - 2003 (E39) Go Top A bad O2 sensor can lead to decreased fuel efficiency and engine performance. com Cost about $70 Remove/installation: 9c57 (resolved) Hours: 2-4 Difficulty: 7. I have replaced the evaporator, evaporator temperature sensor, compressor, condenser, aircon pressure sensor, climate control unit and still freezes evaporator and low pressure pipe. The AUC sensor detects the following pollutant emissions from spark-ignition and diesel engines: • Hydrocarbons (HC) • Carbon monoxide (CO) • Nitric oxides (nitrogen monoxide NO, nitrogen dioxide NO 2) - Condensation sensor (IHKA High only) The sensor is located under the rain/light sensor. -Abel - E36 328is ~210-220whp: Lots of Mods. " 10 years is a reason life expectancy for a sensor. I tried with an other cooling fan, same result, swapped the temperature sensor on the lower hose and nothing change, fan still on With ISTA, I have 2 errors: 00001E IHKA AUC sensor 00001F IHKA Pressure sensor I am not really familiar with ISTA so can someone help me out with the route I should take to troubleshoot the problem? IHKA - INTEGRATED AUTOMATIC HEATING/AIR CONDITIONING SYSTEM (data, AUC sensor, 0x2D0) invalid, transmitter JBE JBBF - JUNCTION BOX ELECTRONICS-----C90D74: AUC sensor: does not respond PDC - PARK DISTANCE CONTROL all of those issues except for the injector b/c I have not seen any codes or driveability issues showing Replaced the Auc sensor today and Auc fault has gone off, tried replacing the refogging sensor and the fault is still there. 99. Oxygen Sensor Location. View attachment auc sensor. Fault as soon as i shut it down but it seems fine as i can always engage it with no problems. When above some limit the HVAC control Ok, here's the first (of probably many) threads about various problems I have with the car. If some faults comes, a fault entry is made in the junction box. IHKA Trouble. Sent from my VS988 using Tapatalk #7 05-21-2017, 05:23 PM upallnight. True CAT failures are not common in today's cars and should only occur IHKA or automatic climate control is available as an option. 18 yrs. I use Castrol engine oil fully synthetic 0 There is a difference between a missing sensor (i. 1. The Junction Box (JBE) transforms the LIN Bus Signal to K-Can Signal which is transfered via Zentral Gateway Modul to the IHKA. No leaks. 00000A IHKA AUC sensor 000014 LCM: tight Check Module: fault stored 000021 EGS: Turbine speed sensor BMW AUC Climate Control Sensor - Genuine BMW 64119240180 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, & more Save for later 10 Ratings Available In Stock. i dont know. SKU: UPC: A faulty MAP sensor also causes problems when starting the car. colb Senior Member Posts: 1760 Joined: Wed Nov 13, 2019 8:45 pm. The pressure sensor provides a linear voltage input signal (0 - 5 volts) to the IHKA control module. The AUC-2 sensor will signal the IHKA to activate recirculation mode when the sensor detects oxidizable gases such as hydrocarbons, carbon monoxide and nitrogen oxides. 9C54 IHKA: AUC sensor present 15. Once you return the old part you will be Had the same issue (Oil Smell) and experienced the same behaviour ("worst" in Winter) E9x only IHKA > E7x (only integrated automatic heating and air-conditioning system in High version) The AUC sensor is fitted on the microfilter compartment. I just changed my cabin filters, so I'm not too concerned about the AUC code. The AUC sensor detects the following pollutant emissions from spark-ignition and diesel engines: Hydrocarbons (CH ) carbon monoxide (CO) Before going to the dealer, I read all that I could find about the Trans Failsafe issue and definitely feel like I know more about it than the service advisor. What is AUC, just Air con ? The only issue i have noticed with the car is after a heavy rain overnight. e. If the band is broken or melted, replace the fuse. 5A: (except IHKA), Blower Motor (IHKA), Blower Output Stage (IHKA) 49: 30A: Amplifier: 50: 15A: Rear Wiper Motor Relay: 51: 40A: Visitors should always consult qualified professionals or experts for assistance with complex electrical problems or any other automotive issues. Dependant on write up, located in break duct, under front spoiler, near fog lights etc. As far as I know (might be wrong), for the Behr IHKA control unit as you have one, there are 2 versions, 1 without AUC, one with AUC. Price each: $102. The IHKA determines the load torque for compressor activation and required auxiliary fan speed from the pressure sensor mounted on the receiver/dryer. SYSTEM (REFRIGERANT) PRESSURE SENSOR (V) Range: 0 to 5V This sensor is used to read the refrigerant pressure in the system. The fan is spinning. So I changed the sensor, and read the codes once again: The only thing changed was that fault codes 5EBA and 6DA4 went away. Sensor for automatic air re-circulation mode: • The AUC sensor is a metal oxide sensor, and this sensor is very sensitive to smells and pollutants. Hi folks. JBE Module provides power & ground. The oxygen sensor is found in the exhaust system. cold ac and a whining My A/C Fan started having issues sometimes turning off and not restarting. com/f/help-a-bmw-tech?utm_source=customer&utm_medium=copy_link&utm_campaign=p_cf+share-flow-1 I have a 2004 E53 3. Pull the panel down and as far to the right as possible. Posts: 7,280 Quote: Code reader only gave me the code for IHKA AUC sensor. IHKA - INTEGRATED AUC sensor, 0x2D0) invalid, transmitter JBE JBBF - JUNCTION BOX ELECTRONICS-----C90D74: AUC sensor: does not respond PDC - PARK DISTANCE all of those issues except for the injector b/c I have not seen any codes or driveability issues showing there is a problem. 3. For the other code, make a new post and include the code. So I changed the sensor, and read the codes once again: I don't feel any problems with the AWD system. But, please remember that the IHKA gets inputs from various sensors. G30 520d xdrive msport 2017-current E60 520d 2007 lci saloon-current. The rain sensor (for the automatic intermittent wipers) and the light sensor (for the automatic headlights) are two separate sensors. I checked the voltage to the valve and it was 12-13 volts. This is an older thread, you may not receive a response, and could be reviving an old thread. No, your IHKA panel is fine. E46 320d 2001 saloon-current. In IHKA automatic mode, the sensor measures the . The AUC, Aux Water Pump and The AUC is an air quality sensor. I have codes E717, E71A and E71B. It has occured 8 times. Our professionals are here to help make sure you find the answers you need to your questions and IHKA-9C54 IHKA: AUC Sensor no signal [Fault currently present] DSC-5F76 DSC Engine Management EGS-51A7 Transmission Control No Message CAS-A0B4 CAS: Engine Start Starter Operation These are the ones that are present or were present briefly in the last week. help me out. But you have a defective aux water pump , and a bad AUC sensor (known as aka "stink sensor"). A replacement AUC sensor is a bit expensive for what its worth. pdf . If you want to remove the IHKA panel you need to remove the MID first. A faulty sensor or wiring problem would not affect the blower Changed Parts: AUC-Sensor (new), Flap-Motor (new), Junction Box Modul (new), and IHKA (used one) Details (Source ISTA): AUC Sensor is connected via LIN-Bus to Junction Box Modul and sends data about the air quality. The car has, had, DCS, ICM and all of the no So here are the 15 faults codes: 0054C6 VTG: Oil Wear 0055C3 VTG: AWD Limp-home control activated 005EBA DSC: Steering-Angle Sensor, plausibility 0063D0 LDM: Interface, long-range sensor 0063DD LDM: Interface DSC 006E92 DSC: Control unit coding: no repair measure available 009C54 IHKA: AUC sensor 009C55 IHKA: Fogging Code reader only gave me the code for IHKA AUC sensor. Useful information Community Problems and issues Useful guides Decrease Quantity of Genuine Automatic Recirculated Air Control AUC Sensor 64 11 6 933 052 Increase Quantity of Genuine Automatic Recirculated Air Control AUC Sensor 64 11 6 933 052. The valve is fine, but the IHKA is suspect. But the issue still stands cool not. The control electronics issue the nominal voltage as a. 0L, BMW E84 X1 xDrive28i N20 2. I am still popping codes for the AUC Sensor (009C54), Fogging Sensor, (009C55), Auxiliary Water Pump (009C77), and Spray nozzle heater (009C78). Automatic re-circulated air control sensor ( AUC ) Sent from my GT-N7000 using Bimmer App . You can obviously try to fix it if you want. If I put the IHKA Button to close the flap manualy it is working fine. Located in the module behind the little screen. the mirco filter compartment. The latter of which I obtained the guide for to help in diagnosing problems with a the AUC-2 sensor. Save Share Reply Quote Like. They came up with a "condensation sensor", located behind the rear view mirror. Did you managed to solve this issue yet? If no, I suggest: 1. Like what problems would I notice that could by caused by this? - 000019 IHKA: Auxiliary water pump. Not sure if this is part of the problem. auc code heating ihka. IHKA - INTEGRATED (data, AUC sensor, 0x2D0) invalid, transmitter JBE JBBF - JUNCTION BOX ELECTRONICS-----C90D74: AUC sensor: does not respond PDC - PARK DISTANCE all of those issues except for the injector b/c I have not seen any codes or driveability issues showing there is a problem. 290D00 BSD, message : oil condition sensor : missing 28CD00 LIN, message : radiator shutter: Missing C90D60 AUC sensor : internal sensor fault i think all of this sensors are not broken, everything is connected each other.