OBD-II
P2140

Accelerator Pedal Position Sensor 1/2 Correlation Lack of Voltage Matching

What it means

The Engine Control Module (ECM) detects a voltage mismatch between the two redundant signals (APP1 and APP2) from the accelerator pedal assembly. This is a safety feature to prevent unintended acceleration and typically triggers a limp-motive state.

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