2007 A8 TPMS Control unit problem / replacement
Hi everyone,
I will describe the problem I have: 2007 A8 For the last 3 months I have been getting intermittent TPMS errors on the instrument panel (not low pressure alerts) about a system malfunction. This would come and go occasionally. Last week, I got a low pressure alert that was false, and then the same TPMS fault and now it wont go away, its there the entire time the car is running. I have tried resetting the pressures but it doesnt work. All 5 wheels show up as blank (no reading) now on the MMI screen. I am assuming the control unit is dead\dying since it doesnt seem related to any specific wheel. I am considering replacing it. The part number is 4E0910273A. Questions, then: Is there a way for me to verify 100% the unit needs replacement? Any way I can 'reset' it or try to get it working again without replacement? If I do have to replace it, this unit lives above the left rear wheel bay, correct? Is this something I can replace on my own without much trouble or can this become an electrical nightmare for me? If its a job I can in fact do, can anyone give me some instructions on how I should do this correctly? |
it might not be the TPMS unit but rather the batteries in the sensors in the wheels are dead or dying.
Do you have access to a VCDS? Run an auto-scan and post the results... I just turned mine off when the batteries died. |
Originally Posted by Gigitty
(Post 1351873)
it might not be the TPMS unit but rather the batteries in the sensors in the wheels are dead or dying.
Do you have access to a VCDS? Run an auto-scan and post the results... I just turned mine off when the batteries died. What is VCDS? Also, the system started to work again, but I continue to get malfunctions. As of now, its an intermittent problem. If its a battery, wouldnt 1 wheel not report? I am getting blanks on all 5. |
Ross-Tech VCDS aka VAG-COM Ross-Tech: VCDS Tour
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Originally Posted by idfnl
(Post 1351876)
What is VCDS?
If its a battery, wouldnt 1 wheel not report? I am getting blanks on all 5. |
Reinstall TPMS Controller in 2006 Audi A8
Originally Posted by Gigitty
(Post 1352058)
You'll need a VCDS to diagnose...most members are willing to lend you a hand in using theirs. Just have to find someone local and willing.
Address 65: Tire Pressure Labels: 4E0-910-273.lbl Part No SW: 4E0 910 273 HW: 4E0 907 273 Component: Reifendruck 2 H01 Revision: 00010028 Serial number: 00000900036711 Coding: 0232125 Shop #: WSC 00000 785 00200 VCID: 5FCDFD8B8E621DB282-800A 1 Fault Found: 00003 - Control Module 000 - - - MIL ON Freeze Frame: Fault Status: 11100000 Fault Priority: 2 Fault Frequency: 1 Reset counter: 255 Mileage: 225681 km Time Indication: 0 Date: 2019.01.06 Time: 16:07:12 Freeze Frame: Speed: 121.0 km/h Voltage: 25.50 V (no units): 0.0 Temperature: 0.0°C Temperature: 40.0°C Temperature: 0.0°C Temperature: 0.0°C The coding appears to be correct. Do I need an access code to reset it? |
Let me know how it goes! I am in a similar situation
Recode Tire Pressure Monitoring Control Module (J502). If Tire Pressure Monitoring Control Module (J502 ) is replaced, new control module must be coded. To do this, proceed as follows.
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