P1272 – Accelerator Pedal Position Sensor Correlation (Nissan)

Description

The ECM detected a mismatch between accelerator pedal sensors 1 and 2.

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Symptoms

  • Limp mode
  • No throttle response

Causes

  • Sensor mismatch
  • Wiring issue
  • ECM logic fault

Diagnosis

  • Compare sensor outputs
  • Inspect wiring
  • Scan throttle data

Repair

  • Replace sensors
  • Repair wiring