No communication

Tiny
BA KGASAPANE K
  • MEMBER
  • 2007 AUDI A4
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 328,687 MILES
Good day, I am unable to connect the ECU via OBD II device. What can be the problem?
Friday, July 6th, 2018 AT 2:51 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
It sounds like you have a fuse #31 or #12 out, but also check the scanner on a different car to make sure it is working.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know what you find.

Cheers, Ken
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Saturday, July 14th, 2018 AT 11:28 AM

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