ASA. I've recently installed the M Performance brake upgrades to my 2016 F30 LCI 330E. 0 Cable I got: BMW. After clearing the code the car is running better but still having a hard time with idling and still making weird noises. unlock code for read DTC diagnostic trouble codes on BMWBMW F21 hidden menu unlock codeoil temperature on instrument cluster bmwA forum community dedicated to BMW owners and enthusiasts. and that the IBS is possibly not communicating on the LIN bus. . I am as confused as a baby in a topless bar! Appreciate 0. Hi I remapped my car and since then, when I 've any fault, at the same time always have the fault: fem_gw: ZGM: central fault memory full - no control-module fault - 801C20. What is the danger of it being stuck in and what is the fix? I appreciate the help i want a help about my 750li 2009 explain me those fault codes and what's the solutions 👀🔧. No other codes and the vehicle drives perfectly. It started simple but now I'm in code hell. 2. In this video we diagnose a bmw f20 with an Eps (Electronic power steering) fault. I'm pretty new to BMWs so I've no clue what. At Edmunds we drive every car we review. I've been getting this strange un-deleteable fault code 801A4C SINE: Undervoltage Detected in internal voltage supply. Based on the research I did, usually drivetrain. 030195: FH BFH: INVALID CHARACTERISTIC, NO STANDARDIZATION AVAILABLE 030196: FH BFH: MOTOR TEMPERATURE EXCEEDED 90 PERCENT THRESHOLD 030197: FH BFH: MOTOR. I'm getting the BMW 801C20 fault code saying the Central Fault Memory is Full. okay 11 Fault codes 800FB2 800FBB 440102 C90D60 C90D9B 190702 190002 190502 D014A1 801C20 420531 that all. simple fix for FC 804415 is to replace your key battery. 2020 BMW X3 M Comp [0. It is Mixture Control: fuel-air mixture too lean (BMW fault code 118001) and it only appers when you try to move (then you just started your car put it on a drive and begin to move). The $71,025 740i and the $75,425 740Li are roughly 11 grand less dear than their respective V-8 counterparts. Looking for MCR SAFETY, L ( 9 ), Mechanics Gloves? Find it at Grainger. This comes up as a consistently failed tire pressure indication. 0. 930769 Deactivation of terminal 15: upper startability limit reached. Unplug the connector and inspect it CAREFULLY. Quote. When under medium to high acceleration the car revs from about 2500 RPM to 4500 RPM but doesn't accelerate for 3-5 seconds. Scanned the car with Carly or Bimmerlink it shows the Central Gateway Module has fault. It is the most comprehensive fault code database available online. CD0487: ZGM. need to code battery. If no further assistance is needed, please consider rating me as 5 STAR!! Drives: BMW 2015 320i Alpine White. It came back that the RDC unit is bad. A small Mississippi city has a new police chief after its last was secretly recorded bragging about shooting and killing people in the line of duty – including a Black man who he claimed. With over one million products and 24/7 customer service we have supplies and solutions for every industry. 6%. '. I have a F30 with an N26 and I looked up the code. I currently have a b58 440i coupe MT with full akra exhaust, BMS intake, and DINAN tronic sport tuner. #2 · Jul 24, 2016. I got everything setup and communicating with my 2011 328i. A forum community dedicated to BMW owners and enthusiasts. 100100: Contact to FZM slave lost. It works with more than 30 models equipped with the previous. Pressure too high before engine start. 801C20 - ZGM_central fault memory full-no contol unit fault - Pemanent This is a fault code stored after replacment the battery and the driver door is not locking and unlocking with key and the interior button Bmw 740XD 2011 If i helped you, be so kind and give Rep+Thanks . This is a fault code stored after replacment the battery and the driver door is not locking and unlocking with key and the interior button. 2 and followed this flashing tutorial: M Performance Sport Brake Step by Step Coding. 0. 3. full - no control-module fault Fault 01 ABS-DSC (Bosch) Dynamic Stability. 100104: HW Weckgrund ZGW. " Most substantially, the car lost power steering. Kindly help. So the story is: if you have the Over or Low Voltage on your BMW first to consider power regulator or the generator itself, for overvoltage, you most likely. Location: CT. Looking it up it says "The SINE must be replaced. Parkbremse lossen - the handbrake is faulty or activated. 1F3008 5. Prices for a used 2020 BMW 7 Series 750i currently range from $35,595 to $71,443, with vehicle mileage ranging from 1,578 to 81,249. #BMW #ECU #RestHow to hard reset the ECU in all BMW models. Automatic heating and air conditioning - 8011C1: External FBM and audio control panel: key clip detected 3. This enables the Gateway function on the Central Gateway Module to exchange data between the various different bus systems. I changed air mass sensor from another working car and same thing, I cleaned the throttle and changed the whole intake manifold also checked both disa valves and they seem fine. 2016 BMW 5 Series 528i xDrive 4dr Sedan AWD (2. 6 degrees, a saturation of 64. It was normal for a couple of days, but these past 2 or 3 days, every time I turn on the car I get the drivetrain malfunction. 1, pzdata lite 4. D02D58 9. Location: New york. I hooked up to my BlueDriver and it pulled a few codes, I cleared them all just to make sure I was getting fresh information. 1D2404: Map thermostat, activation: line disconnection. 10 Central gateway module. market is the 650i, powered by BMW’s twin-turbocharged 400-hp, 4. . replacing a very common problem with the bmw series this oil level sensor can cause the car to lose power and just shut off a idle thanks for watching like s. Restore your backup and. 1 - 2 of 2 Posts. BMW F10 2015. . Below is what I am using and what I am getting. Hi All, A few miles into a drive, a whole bunch of notifications popped up, including: "Increased steer. Attached Images Appreciate 0 Tweet. How to diagnose BMW F10 using ISTA+This software can be used to clear Fault Memory on BMW F10 or other model BMWs-----. 5. I am experiencing the attached drivetrain fault. Problem with your 2013 BMW 328i? Our list of 4 known complaints reported by owners can help you fix your 2013 BMW 328i. The 801C20 is a. Causing the engine to go into ‘limp-mode’ with the DSC and EML light illuminated on the instrument cluster. In looking at it and doing research I've learned that the n20 in my year may have 1 of 2 wastegate actuators. 3 errors. Radio: AM/FM/HD. It has been intermittent, but seems to be worse on much colder days. Odometer when last coded: 0 km / 0 mi. 100100: CONTACT TO FZM SLAVE LOST. S 0296 - No communication possible with Tyre pressure monitor. Find used 2020 BMW 7 Series 750i inventory at a TrueCar Certified Dealership near you by entering. A short example of our working day. It contains fault codes across all models broken down by ECU variant. Might be early to replace the module, that’s why i was asking if this is a common fault with this moduleI found no repair instructions particular to the Unlock Button. 2) invalid, transmitter ICM. 2016 BMW M2 - ED Pick Up on 07/12/2016; US Pick Up on 09/22/2016. 4. Hmm. I hear letting it sit sometimes fixes this. Turned it back on and the codes were gone for about 2 min and came back on. 244C00 - Charge-air pressure control, control deviation: charge-air pressure too low/positive control deviation. Income Tax Return for Cooperative Associations, including recent updates, related forms and instructions on how to file. Fools rush in where angels fear to tread! 801C20 ZGM: central fault memory full - no control-module fault CD1410 Message (system time, 0x328), incorrect, receiver ZGM, transmitter KOMBI Steering Column: 803440 No current coding data stored 803441 Coding data faulty 30364 Steering wheel contact detection: missing LIN slave C98421 No message (LDM 2 display, 269. 0301A0 PDC. 804943: Roller sunblind, rear line disconnection. The fault code tells you exactly that: no speed on activation. CF2CE1 8. Find used 2020 BMW 7 Series 750i inventory at a TrueCar Certified Dealership near you by entering. Thanks . 13. D355D0 Interface HSR (status, steering, rear axle,50. So maybe I'll have to check this first. This is a fault code stored after replacment the battery and the driver door is not locking and unlocking with key and the interior button. Turn the vehicle ignition on. 2 05-16-2018, 01:58 AM. By and large anything that really requires attention will throw a dash or iDrive screen warning or cause the check engine light to come on. 1. E09400: Message (data display gear train, 0x3FD) missing, receiver GWS (PT-CAN), transmitter EGS (PT-CAN) 60 Instrument panel. . If good, I would then attempt a. The I drive and navigation work fine all the - Answered by a verified Auto Mechanic. Got a CEL yesterday,18001, car running lean. Bmw 740XD 2011. Submit a PuMA case with the subject “B61 03 13 105 AH battery” to get a modified Vehicle Order (VO). Finally got it to stay on after a few tries but the idle was rough. #BMW #ECU #RestHow to hard reset the ECU in all BMW models. Ignition off, on again and car runs again 2-10 days without problems. L. In a RGB color space, hex #801c20 is composed of 50. Due to COVID sheltering (high risk) my poor 320i was just sitting. Any ideas? Mine is a 2014 BMW 535 M Sport. 3. A forum community dedicated to BMW owners and enthusiasts. So I was wondering if it could be my battery or maybe I need a new FEM? I had a 801C20 check engine light come on. series: 5' F10 steering wheel is on the right Engine: N52N variation: India date of production: 03/2011 VIN : WBAFP35070C470747 Fault Code 1. I reprogramed (with my limited experience) the car and it had much better acceleration and the dashboard worked better. 100601: UNEXPECTED ASYNCHRONOUS STATE ON FLEXRAYBUS. While having a vehicle allows you freedom, it also comes with the possibility of mechanical issues. View detailed specs, features and options for the 2016 BMW 5-Series 4dr Sdn 528i xDrive AWD at U. ” Solution. Bimmerlink said: Central Fault Memory Full While it was in the shop for oil change they diagnosed it as a faulty. Make sure the termin. Opus IVS notice will tell you what the defect is, possible warning signs and what to do next. FREE delivery Wed, Nov 15. I have taken the battery into BMW for a full charge and cleared the codes to eliminate the cause of a lack of juice. Location: Los Angeles. Enter a BMW fault code (P or hex), complete the Captcha, and click "Search". 2 05-16-2018, 01:58 AM. Erased all code but - Answered by a verified Auto Mechanic FWIW trying to clear the codes was a wasted effort, as the codes don't cause the fault, the fault causes the codes. fmfm said: I fixed it last week when i changed the radiator. STATUS Acceptable TOTAL ISSUES 42 HEALTHY SYSTEMS 12 Fault code: 138104 Exhaust flap plate, power line: open Last occurred at: 136240 km Fault code: 102001 Air mass plausibility: air mass too highToday, the EML came on in my 2010 F11 530d manual, so I pulled out my Carly adapter. com (China Support) ussupport@autel. 16004E: DEM_EVENT_KFC_KL15_UNDERVOLTAGE. . The central gateway module (ZGM) links the main buses to one another. 801c20. Oh by the way I don't have the M5, Mine is a 2011 535i. 26Cf300 - Can you please confirm if this is due to faulty fuel pump? 264100 2A3C00 26F300 D02D01 D02D58 801C05 801C20 243A00 25ED00 Also my car ignition turns off while driving, but starts back as soon as I. If You get this code, You might have also noticed that the engine temperature has exceeded the quarter mark and the radiator's been kicking in at the maximum RPM, to the point that You feel vibration on the steering wheel!801C20 and so on. P1116. I drove it home carefully, cleared the codes again and turned the car off for an hour or so. Refer to SI B61 15 12. Thanks. 1 05-16-2018, 12:47 AM (This post was last modified: 05-16-2018, 12:48 AM by tome . I had this happen to me. 4 errors. 1C Integrated chassis management: 482656: Slip angle estimator - internal degradation due to SBS. . BMW Number: SI B61 03 09. Did you try clearing them ?Concentrated – requires mixing with distilled or high-quality water; Protection up to 150,000 miles (240,000 km) or 5 years, whichever comes first, in passenger cars and light trucks; up to 1,000,000 miles (1,600,000 km), 20,000 hours of operation or 8 years, whichever comes first, in heavy-duty applications; Greatly surpasses standards for metallic corrosion and. 280. 801C15: Failed to fall asleep at 30B 801C20: Central fault memory full 12 Motor electronics 11 errors 1C4119: Engine oil temperature sensor, electrical: malfunction 201004: CBS client: output of substitute value 101F01: Throttle valve angle - absolute pressure intake manifold, comparison: pressure too high iTrader: ( 0) 801C20. 94ガレージチャンネルはこちら↓↓youtube. Location: CT. In looking at it and doing research I've learned that the n20 in my year may have 1 of 2 wastegate actuators. ($597 - $661) in Rehoboth Beach, DE. Enter a BMW fault code (P or hex), complete the Captcha, and click "Search". 93076B Deactivation of terminal 30B: upper startability limit reachedAnyway looks like that battery is getting drained fast, sound like starter cliks but its solemoid i think, with fully charged battery tries to turn over and nothing happens, so beside battery and another code for 801c20 ZGM;central fault memory full-no-. Since your car is a single stage, it should be set to nicht aktiv already, but just double check for sanity sake. Features BentleyPublishers' BMW X3 2004-2010 Repair Manual (E83) - to change the BMW X3 X-Drive Transfer Case Oil. The reason is because of the communication problems. 93076A : upper startability limit reached, but deactivation preventer active. Kofferraum offen - the trunk is open. I have verified that all 4 wheel speed sensor are giving consistent identical readout within a monitoring period of 5mins. Wheel Speed Sensor Replacement. 2-D36D54SIGNEL 3-4809AB under voltage. It lacks the exciting. Remove, replace the transmitter, reinsert the valve. Prices for a used 2020 BMW 7 Series 750i currently range from $35,595 to $71,443, with vehicle mileage ranging from 1,578 to 81,249. Some I know are issues that aren't even effecting the car. Some times it keeps cranking for about 3 second before starting with low rpm and struggling to stay on before shutting off again. 0) Date when last coded: 2014-05-21 Odometer when last coded: 0 km / 0 mi [No fault codes] Fuel pump Bootloader: 00001017 CAFD: 00000098 (0. Engine starts to stutter and no power. and 801C20 ZGM central fault memory full (information but I can't see how to clear it). The BMW Fault Code for the diagnostic trouble code 1D2404 is a "Map Thermostat Error". She hasn't added anything aftermarket to the car like stereos or anything and all I did was clear the codes and update the BMW iDrive software to the latest. Broken coding. Production versions of the twin-row engine generated between 1,560 and 2,000 PS (1,540–1,970 hp, or 1,150–1,470 kW ). 1, CoAPI: V3. After battery change. Initially it was only starter/ignition fault which came up once or twice and now its an active drivetrain fault. The EPS failure message told you that the electronic power steering was AFU, the unassisted steering confirmed it. BMW Mechanic:. It sends the signal to the starter, yet it knows the starter isn't running because there's no RPM from the crank sensor. 100204: MESSAGE MONITORING: SYSTEM CONTEXT SIGNAL FAILED. . 00] 801C20 error. 801C20 ZGW:central fault memory full-no control-unit fault D91410 Message (drive train 2 data, 230. On the way there towards the end I noticed the car to shake at low speeds, and drive smooth at high speeds, so I thought it might've just been the roads. Join Date: Jan 2021. Here is why you NEED to replace this sensor on your BMW. D02D01 can any one help me with this code for more. As a result of the modular principle, the Front Electronic Module (FEM) can be installed in all series. It feels like the car is accelerating in steps, like it will pull, then briefly hesitate and then pull some more. 00 with coupon. 480143 SZL interface signal invalid. La liste complète des codes défaut BMW (Page 1) / Logiciels et outils de diagnostic BMW / ForumBMW. Hi Everyone, my 320i A/T F30 M Sport 2014 model all of a sudden started giving me the following fault notifications the one after the other. 801C20 - ZGM_central fault memory full-no contol unit fault - Pemanent. 801C20 Permanent ZGM: central fault memory full - no control-module fault Fault 01 ABS-DSC (Bosch) Dynamic Stability Control DTC Code DTC Status DTC Content D3557A Permanent Interface: Signal (wheel torque powertrain 4, 40. That’s a hefty discount, and you’d be forgiven for thinking that a thorough de. Possible cause is a issue with the mechatronic&internal transmission issue. As I learned, only flash if you know the newer version brings in some fixes you need. Check For Software Update. Bmw 740XD 2011. First there was the rear parking sensors that had been disconnected and reconnected but not working, then the left taillight throwing a code and not illuminating, also previously disconnected and reconnected, then the drivers seat throwing a code, never (to my. For BMW these are known as chassis codes and engine codes. D02D01 can any one help me with this code for more. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more!From experience I have found that BMW connectors are very finicky. It goes away when it is disengaged. Fault codes. You need to remove interior trim to access this antena responsible for comfort access for front 2 doors. iTrader:. Also getting a "ZGM central fault memory full-no control unit fault"(801C20) Not sure if these are related to the idle problem. 141 posts · Joined 2006. 16004E:. CF2CE1 8. But after disconnecting it, a new bug appears, so it is rather functional:BMW 93076A DTC help. My car is same as yours. FRM. 3. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. 2022 Z4 M40i, Misano Blue Metallic, Driver Asst Pkg, Prem Pkg 2023 X5 M50i, Phytonic Blue, Black Extended Merion Leather, Driving Asst Pro Pkg, Park Asst Pkg,. After years of experience working with BMWs, we believe that our expertise can help you […]Fault Code: 801C20 PREVIOUS to clearing all faults, I had one guy pop down plug in his laptop, he used a software called 'WOW' and it showed (image below). 48 DME Control Unit -Self Test 1. Kindly help. need to code battery. 801C20: ZGM: central fault memory full - no control-module fault Junction-box electronics Current Fault Codes C90C96: Electrochromic interior mirror: internal fault 802102: JBE: undervoltage Integrated chassis management Current Fault Codes 48279B: ICM: Undervoltage in vehicle. . 8040D2 BDC: Activation40804081 of parking status, vehicle electrical system not OK. D35448 SZL interface (operation,wiper switch,ID:0x2A6. 0. Just Curious if anyone else is having this issue - When the rear camera is activated, it works properly, but I get the warning of Rear Camera malfunction. Drives: 2015 BMW M3. January 12, 2021. E114A0 No Message (Tyre Status, 0x368), Receiver KOMBI, Transmitter RDC 2. com/@94garage?sub_confirmation=1BMW 3シリーズF30の車両チェックランプを消したい。1年点検. Table a. 193101 Fuel level sensor, right electrical short circuit to B+. 160070: DEM_EVENT_ZFLS_UNDERVOLTAGE. Taking a look I see that this little plastic "clamp/lock" is broken on one side of the Breather Tube so that the tube does not seat/seal completely. iTrader: ( 0) Results from scan following codes. " In other models, this indicates that the siren battery needs to be changed. This i can clear, but comes back when starting the motor. So now all functions now work on the steering wheel, paddles included. So my understanding this is disabling the motion and tilt sensors but not the hood sensor. Bought the car 3 weeks ago and I haven't got my plate yet and the car already breaks down, please help. Bmw 7 F01 801c20 Fault Code - Mhh Auto - Page 1. $3,900. - CD0487: ZGM. ASA. 4 errors. ThanksTrueCar has 408 used BMW 7 Series 750i models for sale nationwide, including a BMW 7 Series 750i xDrive and a BMW 7 Series 750i xDrive AWD. 8% black. S. series: 5' F10 steering wheel is on the right Engine: N52N variation: India date of production: 03/2011 VIN : WBAFP35070C470747 Fault Code 1. S. 100A04 2. 801C20 I can’t clear the codes, they are permanent, except 801C20 which says fault memory full. vehicle has already been updated to new I-level (F001-19-11-550). 2-D36D54SIGNEL 3-4809AB under voltage. Used 2020 BMW 7 Series 750i xDrive Sedan. Here's a quick video description, for I earned it tips. E09400: Message (data display gear train, 0x3FD) missing, receiver GWS (PT-CAN), transmitter EGS (PT-CAN) 60 Instrument panel. 00, 0. Our $126,145 750i tester wasn’t even the fastest or most loaded version you could get, but it sure was expensive looking. com/@94garage?sub_confirmation=1BMW 3シリーズF30の車両チェックランプを消したい。1年点検. D90D37 Manufacturer-specific code. Appreciate 0 Quote 06-17-2021, 08:04 PM #5: sqeezed. The 400634 indicates a issue with the parking lock sensor. iTrader: ( 0) Multiple Code Hell (2015 320i F30) Help! Hi All! Sorry it's long, but I wanted to give the details and there's a lot of them! HALP! My friend Rudy (long story) is sick. akgambino 267. G01: X3 Sports Activity Vehicle. . 93. The bolt heads are E12 (external Torx). #801c20 hex color red value is 128, green value is 28 and the blue value of its RGB is 32. 0. I'm not able to find much information about these on the internet. 2012 BMW 535I - ED Pick Up on 12/03/2011; US Pick Up on 01/27/1012. Central Gateway Module - 801C20: Central fault memory full 2. 30. This photo shows the bolts, looking down from the firewall area (intake manifold removed). I took it to an indy who said that the Exhaust Pressure Sensor upstream of Turbo needs changing, and i got to this same stage in the test-plan using ISTA. 801C20: Central fault memory full 40 Car access system 4 errors D90C01: LIN Master A: No communication D90D01: Transmitter-receiver radio (1. First there was the rear parking sensors that had been disconnected and reconnected but not working, then the left taillight throwing a code and not illuminating, also previously disconnected and reconnected, then the drivers seat throwing a code, never (to my knowledge at least) having been disconnected. 16004C: DEM_EVENT_KFC_KL30_UNDERVOLTAGE. Finally got it to stay on after a few tries but. i want a help about my 750li 2009 explain me those fault codes and what's the solutions 👀🔧. RDC Failure (solved) Hello. (05-16-2018, 12:47 AM)tome Wrote: 801C20 - ZGM_central fault memory full-no contol unit fault - Pemanent. 0-liter six-cylinder engine rated at 300 hp and 300 lb. A diagnosis code is a combination of letters and/or numbers assigned to a particular diagnosis, symptom, or procedure. BMW Fehlercode Liste - Fehler im BMW Computer können den im Fahrzeugsystem vorhandenen Fehler genau bestimmen. Heute werden wir Ihnen sagen, was BMW-Fehlercodes bedeuten, wie man sie richtig entschlüsselt und wie. Gary, Edmond, OK, 07/31/2016. QSilver7. It says: ZGM: central fault. Function Center, Roof Current Fault Codes 801A4C:The codes are: 8040A9: Start Stop hall effect sensor: incorrect operation (pressure oblique). Entertainment. 8) out-of-date, receiver ICM, transmiter RDC. Recently my f10 2011 535i front windshield wiper will start moving all in a sudden, then at the same time air conditioning will stop blowing cold air, central locking system not working , rear backup camera and trunk not working. 801C20 6. I drove it home carefully, cleared the codes again and turned the car off for an hour or so. If you go into the iDrive you can clear it. 1 Answer. Drives: M3. 2016 A mon travail, j'ai passer la valise KTS Bosch. 1. En este video les muestro como utilizar Carly para cambiar y registrar la batería en cualquier BMW moderno muy fácilSuscríbete a nuestro canaleasy and great way to know what is happening with your BMW is to read out the fault codes. 100104: HW Weckgrund ZGW. Hi all, newbie to BMW car and bimmerpost here. Select a Series. need to code. What tool are you using to pull out your errors? Your description and your two codes indicate an issue with your IBS (intelligent battery sensor) in your negative cable (61-21-9-253-082)…. Auto-Off Headlights. BMW 801C20 Fault Code is error that the central memory is full and stored in the control module ZGM (central gateway module) but there is no error of the. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Central lock activated using key fob was working. Replaces battery same issue does anyone share similar experience. I drove it every 2 weeks or so, but since it's 5 yrs old I knew the. need to code battery. It is recommended that you start troubleshooting with the safety devices and relays installed in the mounting block. Fuel Pressure Low. To fix the BMW 801C20 fault code related to the ZGM (central gateway module), you would need the following hardware and software: Hardware: BMW diagnostic tool capable of communicating with the ZGM module, such as the BMW ICOM Next, Autel MaxiSYS Elite, or Launch X431 V+. Reply Quote. So here it goes: BMW Trouble Codes. 4), receiver SZL. If you do and have some issues, just be ready to deal with any post flash initialization or resets or clearing faults with Rheingold or Esys. 31. The car shudders and makes loud noises at idle. "5. Join Date: Mar 2019. Got a 2016 bmw 420xd automatic transmission at around 12000 miles a few months ago. Central Faulty Memory. Current Fault Codes: 1F0201: DME, internal fault, checksum: Memory module check. 420531 Is normally a fault with the mechatronics module again it would need trouble shooting with BMW diagnostic equiipment. As far as your check engine light you may need a BMW specific code reader. Any help or tips is much appreciated. I am getting an "under voltage in vehicle" computer code (4809AB) not sure why, might be a drop in voltage while starting. Looking for new home. E81 / E82 / E87 / E88Model Year: 2004 - 2011. Bimmerlink said: Central Fault Memory Full. - 801c20: central fault memory full - 8011af: evaporator temperature sensor: short to positive or open - 8011b1: sensor heat exchanger left: short to positive or open - 8011b3: sensor heat exchanger right: short to positive or open335 Hesitation on acceleration.