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P2138 Diagnostic Trouble Code Discussion for May 2009

Accelerator Position Sensor 1-2 Correlation


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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2007 Chevrolet Impala LT 3.5L poor power VIN: 2G1WT58N77
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. when the accelerator pedal is depressed to a certain possition the engine goes into limp mode until the key is turned off. then everything is normal. everything test good and it runs great except for this. has anyone run into this before and what was your fix....
May 01, 2009
2005 Saturn Ion-2 2.2L Hesitation, MIL Lamp on, LOSS OF POWER VIN: 1G8AJ54F15
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. customer brought vehicle into our shop for ses and reduced engine power light,loss of power and a chime when this occurs.coded computer and the above codes where retrieved. she stated that this only happens on left turns,however we were able to duplicate it 1 ...
May 26, 2009