2005 GMC W5500 Forward W5S042 5.2L MIL Lamp on
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...
FIX posted 7/16/2011
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Vehicle Data2005 GMC W5500 Forward W5S042
Trouble Codes
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Message Closed
Vehicle Data
2005 GMC W5500 Forward W5S042
VIN | 4KDB4B1U75 |
Engine | 5.2 L / 4 cyl / DIESEL |
Delivery | Fuel Injection / 6.0 GAS VIN U |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance |
U0107 | Lost Communication With TAC Module |
U1041 | Loss of Electronic Brake Controller Communication |