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Audi A6 The mid-sized Audi A6 model offers more room to the driver and passengers over the A4 line.
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  #1  
Old 07-17-2011, 04:54 PM
1st Gear

 
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Exclamation Electronic Parking Brake Malfunction

I have a 2005 A6 4.2; A couple weeks ago I went on a road trip for about 600 miles, and when I arrived and shut the car off, the parking brake would cycle on and off several times. There is a TSB for this that says the issue should resolve itself if you turn the brake on and off. It did not, so i took the fuse out which fixed it temporarily.

When i got home i hooked it up to the VAGCOM, and this error shows up:

Address 53: Parking Brake Labels: 4F0-910-801.lbl
Control Module Part Number: 4F0 910 801 HW: 4F0 907 801
Component and/or Version: EPB C63C0030 H03 0030
Software Coding: 0006022
Work Shop Code: WSC 02334 785 00200
VCID: DDBB14127DA1
1 Fault Found:

02433 - Supply Voltage for Right Parking Brake Motor (V283)
011 - Open Circuit - MIL ON
Freeze Frame:
Fault Status: 11111011
Fault Priority: 2
Fault Frequency: 8
Reset counter: 199
Time Indication: 0

Freeze Frame:
Voltage: 12.32 V
Count: 103

and

Sunday,17,July,2011,15:45:48:33988
VCDS Version: Release 10.6.4 (x64)

Address 03: ABS Brakes Labels: 4F0-910-517.lbl
Control Module Part Number: 4F0 910 517 E HW: 4F0 614 517 A
Component and/or Version: ESP8 quattro H03 0010
Software Coding: 0021352
Work Shop Code: WSC 02325 785 00200
VCID: 2649FBFEE877
1 Fault Found:

00473 - Control Module for Elect. Park/Hand Brake (J540)
008 - Implausible Signal
Freeze Frame:
Fault Status: 01101000
Fault Priority: 3
Fault Frequency: 1
Reset counter: 202
Mileage: 127470 km
Time Indication: 0
Date: 2011.07.17
Time: 15:33:09

Freeze Frame:
Hex Value: 0x0280
Hex Value: 0x4082
Hex Value: 0x0000
Hex Value: 0x009B
Hex Value: 0x00FF

I checked the wiring connectors to the parking brake motors, it was fine. Put them back together, the issue went away and both brakes worked. 5 minutes later, the error was back and only the left brake acutator would work.

Today I switched the brake actuators, left to right and right to left. Still get the same error code and only the left actuator would work.. So it is not an issue with the actuators themselves.

I have heard a few places there is a TSB for this that involves the dealer updating the software on the parking brake controller, but that would probaly cost as much as buying a new controller from ECSTuning (about $360.)

Has anyone had experiance with this or have any suggestions what i should do? Is there an actual voltage supply somewhere that may be bad? Or should i just replace the Parking Brake Controller?

Thanks
  #2  
Old 07-17-2011, 05:58 PM
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Default Relay

I also switched the power supply relay out with another of the same number under the dash, same issue so its not the relay either.
  #3  
Old 07-18-2011, 10:35 AM
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Default

sounds like you are getting closer and closer to narrowing it down to the controller.

I don't have the electronic ebrake on mine, so I really don't have any experience in that area but I do seem to recall someone on the forum having an issue similar to yours. hopefully they will chime in.

anyone?

anyone?
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  #4  
Old 02-02-2012, 10:45 PM
1st Gear
 
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Default

Quote:
Originally Posted by mikehinnenkamp View Post
I have a 2005 A6 4.2; A couple weeks ago I went on a road trip for about 600 miles, and when I arrived and shut the car off, the parking brake would cycle on and off several times. There is a TSB for this that says the issue should resolve itself if you turn the brake on and off. It did not, so i took the fuse out which fixed it temporarily.

When i got home i hooked it up to the VAGCOM, and this error shows up:

Address 53: Parking Brake Labels: 4F0-910-801.lbl
Control Module Part Number: 4F0 910 801 HW: 4F0 907 801
Component and/or Version: EPB C63C0030 H03 0030
Software Coding: 0006022
Work Shop Code: WSC 02334 785 00200
VCID: DDBB14127DA1
1 Fault Found:

02433 - Supply Voltage for Right Parking Brake Motor (V283)
011 - Open Circuit - MIL ON
Freeze Frame:
Fault Status: 11111011
Fault Priority: 2
Fault Frequency: 8
Reset counter: 199
Time Indication: 0

Freeze Frame:
Voltage: 12.32 V
Count: 103

and

Sunday,17,July,2011,15:45:48:33988
VCDS Version: Release 10.6.4 (x64)

Address 03: ABS Brakes Labels: 4F0-910-517.lbl
Control Module Part Number: 4F0 910 517 E HW: 4F0 614 517 A
Component and/or Version: ESP8 quattro H03 0010
Software Coding: 0021352
Work Shop Code: WSC 02325 785 00200
VCID: 2649FBFEE877
1 Fault Found:

00473 - Control Module for Elect. Park/Hand Brake (J540)
008 - Implausible Signal
Freeze Frame:
Fault Status: 01101000
Fault Priority: 3
Fault Frequency: 1
Reset counter: 202
Mileage: 127470 km
Time Indication: 0
Date: 2011.07.17
Time: 15:33:09

Freeze Frame:
Hex Value: 0x0280
Hex Value: 0x4082
Hex Value: 0x0000
Hex Value: 0x009B
Hex Value: 0x00FF

I checked the wiring connectors to the parking brake motors, it was fine. Put them back together, the issue went away and both brakes worked. 5 minutes later, the error was back and only the left brake acutator would work.

Today I switched the brake actuators, left to right and right to left. Still get the same error code and only the left actuator would work.. So it is not an issue with the actuators themselves.

I have heard a few places there is a TSB for this that involves the dealer updating the software on the parking brake controller, but that would probaly cost as much as buying a new controller from ECSTuning (about $360.)

Has anyone had experiance with this or have any suggestions what i should do? Is there an actual voltage supply somewhere that may be bad? Or should i just replace the Parking Brake Controller?

Thanks
Were you able to fix this problem? I got the exact same thing going on right now and have tried almost everything without success. Any help will be greatly appreciated.
  #5  
Old 03-12-2012, 01:41 PM
1st Gear

 
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Default

Sorry for the delay, in my case it ended up being a partly severed wire in the connector of the motor for the parking brake. It sometimes worked and sometimes didnt depending on if the copper connector was making contact or not.

Soldered a new wire in to the connector and all is well for now. I have a feeling it will surface again until i replace the entire wire.
  #6  
Old 03-24-2012, 04:18 PM
1st Gear
 
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Default

Quote:
Originally Posted by mikehinnenkamp View Post
Sorry for the delay, in my case it ended up being a partly severed wire in the connector of the motor for the parking brake. It sometimes worked and sometimes didnt depending on if the copper connector was making contact or not.

Soldered a new wire in to the connector and all is well for now. I have a feeling it will surface again until i replace the entire wire.
Where was that located?
  #7  
Old 04-02-2012, 03:20 PM
1st Gear

 
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Default Connector

On inside of the rear brake assembly, toward the lower part. There is a round motor with a connector going into it; that is the motor for your parking brake. There is one one each side. If your connector is broken i would recommend getting a new one and splicing it into the wire and and shrink wrapping it so it doesn't happen again.
Old 04-02-2012, 03:20 PM
 
 
 
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Tags
00473, 05, 2011, 32, 4f0, a4, a6, audi, brake, code, control, electronic, main, malfunction, parkign, parking, relay, unit


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