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Launch control problem - EPC error

c4ypt1k

New member
Please can you guys help me diagnose my LC problem?

Brake pedal pressed, full throttle pedal.. the rev comes up to near 4000rpm then the EPC and Engine light pops on and rpm is dropped and audible beep is heard..LC seems to get aborted

The problem occurs in these scenarios

DDC Race
ESC Sport or Off
DSG S

Cobb AP with DSG tune

Please see vdo here
https://drive.google.com/open?id=1UrUqXuGPrclYwkA-2rvJFQjLsxHsyJRx

* also I have ACC problem too so I am not sure if that is affecting the LC or not.
 
Last edited:

c4ypt1k

New member
Given your location, it's probably a tuning/software mismatch related issue. Cobb and other tuners are known to force other box codes, especially when it's a car from a market they don't get too many of.


Thanks for the suggestion. I have tried these combinations and only the stock setting is working.

Cobb custom ECU Tune and Stock DSG - Launch NOT OK
Cobb custom ECU tune and Cobb OEM DSG tune - Launch NOT OK
Cobb custom ECU tune and Cobb Sport DSG tune - Launch NOT OK
Cobb custom ECU tune and custom DSG tune - Launch NOT OK

Stock ECU and Stock DSG - Launch OK

So it must be related to the cobb tune.
 
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