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P2138 Diagnostic Trouble Code Discussion for April 2013

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2009 Jeep Compass Sport 2.4L MIL Lamp on VIN: 1J4FF47BX9
P2138: APP sensor 1-2 correlation. ... this intermittent nightmare. Initially the vehicle came in with codes P0652 and P2127 only. I did all the basic circuit testing and could never get the codes to set on demand, however when the customer drives it they set and vehicle defaults to limp mode....
April 30, 2013