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P2138 Diagnostic Trouble Code Discussion for January 2008

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2004 Chevrolet Trailblazer LS 4.2L sputters VIN: 1GNDT13S14
P2138: Accelerator Pedal Position Sensor 1-2 Correlation Error. ... advance for reading my post. 2004 trailblazer i have this car here that is giving me problems need help. i get a consistent p2135 and p2138 that keep returning on this thing i've ohm out all the wires to my app sensor th...
January 24, 2008
2002 Audi A4 3.0L MIL Lamp on VIN: WAULT68E92
P2138: TPS/Pedal position sensor/switch D/E voltage correlation. Custome came in saying Check engine and traction control lamp on and has been for a while. (no local dealer) Now engine sputters and will not rev. Replaced MAF sensor, drivabilty complaint gone. Now trying to repair other DTC's. Replaced the accel pedal positi...
January 25, 2008