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P2138 Diagnostic Trouble Code Discussion for March 2010

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2006 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KU57966
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. this vehicle originally went into limp mode, ck engine light and service stability system message appered we found there to be a ecm was bad problem occured again 1,000 miles later but a different code found pedal assembly to be bad, replaced now vehicle is ba...
March 29, 2010