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P0650 Diagnostic Trouble Code Discussion for September 2008

Malfunction Indicator Lamp Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0650
Help Request Posted
2002 GMC Yukon SLE 5.3L MIL Lamp on VIN: 1GKEC13Z82
P0650: Malfunction Indicator Lamp Circuit Malfunction. Not much I can offer on this one. It is a hard code which sets only with engine running as designeda according to the circuit description. The description states the code will not turn the light on, but the light is on either as a result or some unknown issue....
September 10, 2008