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2007 A8 TPMS Control unit problem / replacement

Audi A8 This full sized Audi A8 sedan offers interior luxury and spaciousness comparable to any car in the full sized luxury sedan class

2007 A8 TPMS Control unit problem / replacement

  #1  
Old 12-07-2011, 11:40 AM
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Join Date: Jan 2008
Posts: 51
Default 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?
 
  #2  
Old 12-12-2011, 05:02 PM
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Join Date: Oct 2011
Location: Chapel Hill, NC
Posts: 23
Default

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.
 
  #3  
Old 12-12-2011, 05:06 PM
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Join Date: Jan 2008
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Default

Originally Posted by Gigitty View Post
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.
 
  #4  
Old 12-12-2011, 06:39 PM
jakematic's Avatar
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Join Date: Apr 2011
Location: NC USA
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Ross-Tech VCDS aka VAG-COM Ross-Tech: VCDS Tour
 
  #5  
Old 12-13-2011, 10:17 AM
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Join Date: Oct 2011
Location: Chapel Hill, NC
Posts: 23
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Originally Posted by idfnl View Post
What is VCDS?
If its a battery, wouldnt 1 wheel not report? I am getting blanks on all 5.
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.
 
  #6  
Old 01-12-2019, 05:32 PM
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Join Date: Apr 2010
Location: Austin, Texas
Posts: 3
Default Reinstall TPMS Controller in 2006 Audi A8

Originally Posted by Gigitty View Post
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.
I reinstalled the TPMS control module in my 2006 Audi A8 but all I get is the yellow flat tire and blanks on all 5 wheels. It was working perfectly before I removed it from the car. Here is the VCDS results for the TPMS:

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: 0.0C
Temperature: 40.0C
Temperature: 0.0C
Temperature: 0.0C

The coding appears to be correct. Do I need an access code to reset it?
 

Last edited by teds352; 01-12-2019 at 05:33 PM. Reason: bad grammar
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