P2138 High Powertrain

Throttle/Pedal Position Sensor D/E Voltage Correlation

Common Causes

Accelerator pedal position sensor D and E signals disagree
Failed APP sensor assembly
Damaged APP sensor wiring or connector

Common Symptoms

Engine Hesitation on Acceleration Loss of Power / Reduced Power Mode

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Quick Info

Code P2138
System Powertrain
Severity High

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

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