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P2138 Diagnostic Trouble Code Discussion for April 2010

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2006 Pontiac Grand Prix GT 3.8L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 2G2WP55216
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. I have had this vehicle in twice with the same problem. while driving vehicle the check engine will come on and then the vehicle will not accelerate, the driver info center message says engine power reduced. We replaced the app sensor and checked pin tension a...
April 05, 2010