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P2138 Diagnostic Trouble Code Discussion for January 2019

Accelerator Position Sensor 1-2 Correlation


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Trouble Ticket Help Requests for DTC P2138
Help Request Posted
2011 Nissan Frontier PRO-4X 4.0L MIL Lamp on VIN: 1N6AD0EVXB
P2138: Wrong APP Sensor Rationality Signal. ... have this Frontier that keeps setting a P2138 code. I can clear the code and as soon as I apply the brake the MIL comes on and the code sets. I monitored the APP sensor and noticed that at idle the APP sensor 1 is rock steady at 0.77v, the APP sensor ...
January 03, 2019