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P2138 Diagnostic Trouble Code Discussion for August 2010

Accelerator Position Sensor 1-2 Correlation

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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2005 Saab 9-3 Linear 2.0L MIL Lamp on VIN: YS3FB79N05
P2138: Pedal Position Fault. ... a headache. Got a number of codes, the ones I am most interested in are the P2128, P2138, P2159. The problem I have is it runs terrible and when you push on the brake and put the car in Park the engine revs to 6000+ RPMs. The owner said it started to just ...
August 11, 2010
2004 Subaru Legacy L 2.5L MIL Lamp on, Limp Mode VIN: 4S3BE62554
P2138: Throttle Pedal Position Sensor D-E Voltage Rationality. I have an intermittent P2138 with limp mode for TPS ckt "D" and "E" rationality. Checked and cleaned connector at the throttle body, looked good. Cleared fault and it returned 2 weeks later, replaced throttle body thinking the intermittent was ...
August 11, 2010