U0107 Diagnostic Trouble Code Discussion for June 2011
TAC Module Serial Data Circuit Malfunction
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| Help Request | Posted | |
| 2005 GMC W5500 Forward W5S042 5.2L MIL Lamp on VIN: 4KDB4B1U75 U0107: active. tested 2 com wires from pcm to tac module. ok. tried new ignition switch, tried disconnecting alternator cable and regulator plug, tried jumper from ground to engine. when running with key off, seems to be 2.5v on black/yellow wire (gd wire). turn on wipers or... |
June 03, 2011 |
