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'03 A6, PRND flashing.. TCM needs replacement.. advice needed!

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Old 06-21-2013, 01:33 AM
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Default '03 A6, PRND flashing.. TCM needs replacement.. advice needed!

My car: 2003 A6 3.0L CVT - 50,900 miles

I recently took my car in for a checkup due to the "PRND" lights flashing and Check Engine light on. Here is what was noted:

"Caused by Internal Malfunction of Transmission Control Module (P0706 fault code stored in TCM)

Scanned and recorded diagnostic fault code. Measured Transmission range sensor reading and found to be operating properly. checked fluid level - okay. recommend replacing transmission control module (tcm) than rechecking transmission shift operation."

Approx cost: $2200. (1 day's work + part)

Does this sound common? Should I buy the part myself and have them install it -- Audi confirmed that they will do it.. but I have no idea of the part number... Or should I just suck it up and pay the $2200... just thinking of my options after researching this problem online.. Thanks!

ALSO: how long is it okay to drive till I can come up with the scratch for that?!
Old 06-21-2013, 02:37 AM
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Who diagnosed this? TCM is not a common failure unless it got wet.
Old 06-21-2013, 03:35 AM
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I would check the passenger carpet floor to see if its wet. If it is then you fried your tcm. I would investigate online for a replacement or have yours repaired maybe.
Sounds like the codes were pulled by the stealer.
Old 06-24-2013, 01:46 PM
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Thanks for the advice.. I went ahead and checked the carpet, but it does not seem to have been wet

BUT I received some papers in the mail regarding a lawsuit that is in progress stating that AUDI (VW Group of America) be held responsible for CVT failures on all 2001, 2003, 2004, 2005, 2006 A4 and A6 equipped with a factory installed CVT transmission.

I checked it out (With Audi) and they confirmed that this is legitimate.. so if you have had your CVT replaced, you will be reimbursed.

I am going to take my car in again for a second opinion and if I do need to have it changed, at least I know it'll be taken cared of...
Old 07-20-2013, 08:38 AM
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Originally Posted by AudiChel
My car: 2003 A6 3.0L CVT - 50,900 miles

I recently took my car in for a checkup due to the "PRND" lights flashing and Check Engine light on. Here is what was noted:

"Caused by Internal Malfunction of Transmission Control Module (P0706 fault code stored in TCM)

Scanned and recorded diagnostic fault code. Measured Transmission range sensor reading and found to be operating properly. checked fluid level - okay. recommend replacing transmission control module (tcm) than rechecking transmission shift operation."

Approx cost: $2200. (1 day's work + part)

Does this sound common? Should I buy the part myself and have them install it -- Audi confirmed that they will do it.. but I have no idea of the part number... Or should I just suck it up and pay the $2200... just thinking of my options after researching this problem online.. Thanks!

ALSO: how long is it okay to drive till I can come up with the scratch for that?!
Having the same problems with my A6 2003 2.7T. I pulled the TCM this morning. Did you find a replacement for your? Can I ask where and was it plug and play?

Thx - Pete
2003 A6 2.7T
Old 07-20-2013, 08:49 AM
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If water is under carpet . Insurance may cover it
Old 07-20-2013, 06:25 PM
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Changing the tcu is easier than the ecu. You pull up the carpet, open the plastic box and pull the connectors. Takes about 10 minutes.
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