Audi A6 TDI 2012 no ECM/PCM communications. No crank no start. Fault finding and repair.

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A colleague from work rang me to see if I could have a look at his car, that had a few cut outs and that completely failed to start a few days before...
The car was at his home, on a first inspection, I could see I was not the first having a look at it, plastic covers out of place etc...

Loads of warning lights on the dash, and on a first scan, I had no communications with the engine ecu... and several modules had faults for no communications with the same module as well...

Using common sense and a bit of old techniques, I could find the culprit and got it sorted...
Follow me on this video to find out what was the problem and how to resolve it...

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Like always, thank you for watching!

Видео Audi A6 TDI 2012 no ECM/PCM communications. No crank no start. Fault finding and repair. канала LM Auto Repairs