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P2138 Diagnostic Trouble Code Discussion for July 2014

Accelerator Position Sensor 1-2 Correlation


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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Hesitation, limp mode VIN: 1FTSW31P34
P2138: Throttle Position Sensor 1/2 Voltage Correlation. ... inherited from another tech that is getting the best of me. This ford has a very intermittent APP/TAC problem. Randomly the truck will go into forced idle/limp mode and throw P2104, and P2138 codes. The other codes I listed will eventually show up, but wh...
July 02, 2014
2007 Chevrolet Suburban 1500 Z71 5.3L MIL Lamp on VIN: 3GNFK16367
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. ... I'm a Euro car guy so I don't work on these too often; this suburban goes intermittently into performance reduced mode (poor/ no acceleration)and throws code 2127 & p2138 related to throttle pedal position sensor. Res...
July 29, 2014
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Hesitation, limp mode VIN: 1FTSW31P34
P2138: Throttle Position Sensor 1/2 Voltage Correlation. ... inherited from another tech that is getting the best of me. This ford has a very intermittent APP/TAC problem. Randomly the truck will go into forced idle/limp mode and throw P2104, and P2138 codes. The other codes I listed will eventually show up, but wh...
July 30, 2014