Unknown codes -xtool 401 - Club Touareg Forums
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post #1 of 1 Old 12-11-2018 Thread Starter
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Unknown codes -xtool 401

Hi everyone. Hoping someone came across these codes on 2013 TDI.


Scan tool is xtool 401 and this comes from the engine scan.

Both can be reset, but light back on after 30-50 miles of driving.

Car drives ok, no symptoms of anything being wrong.

Recent work done - replaced alternator and wheel alignment.

There were no codes/lights prior. A lot more codes, including electrical, short circuit, etc.. etc..
were on immediately after the alternator replacement, but all cleared out, except for these 2, that keep coming back.

Thanks a lot in advance for any input and insight.
lensho is offline  
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