U1000 Diagnostic Trouble Code Discussion for June 2010
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2004 Chevrolet Avalanche 1500 5.3L No communication VIN: 3GNEK12TX4 U1000: Class 2 data link malfunction. ... some light on this problem im having. Customer came in wanting to up date the pcm. Truck ran when it came in the shop. Before starting to do the up dates i used the tech 2 to check the state of health on the class 2 data line to see if there are any codes ... |
June 16, 2010 | |
| 2003 Chevrolet Venture LS 3.4L Cuts out, Stall VIN: 1GNDX03E53 U1000: Class 2 Communication Malfunction. Came in earlier in the week with a complaint on stalling over bumps with trac off light on and misfire on restart . Checked out van and found loose connection at underhodd relay box and repaired it noe van has returned with same compalint . Sorry not much in... |
June 24, 2010 |
