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P2138 Diagnostic Trouble Code Discussion for April 2015

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2011 Chevrolet HHR LS 2.2L MIL Lamp on VIN: 3GNBAAFW9B
P2138: acc pedal/tps 1-2 correlation/switch voltage. my tech is posting this for better translation of info.vehicle failed ill state emission odb test for codes listed.found no description for b2aaa/b2a00 codes in mod or elsewhere.tested and repaired evap system(purge solenoid)faulty.tested vvt,replaced intake c...
April 13, 2015
2006 Chevrolet Cobalt LT 2.2L MIL Lamp on, lack of power VIN: 1G1AL15F16
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. ... Power Loss message. Had code P2138 Accelerator pedal position sensor 1-2 correlation. Car would not accelerate over 25mph. We replaced the Throttle Postion Sensor/Pedal assembly. Now customer has same problem, but not every day. We found a GM bulletin stat...
April 21, 2015