P1558 – Accelerator Pedal Position Sensor Range/Performance (Nissan)

Description

The ECM detected an accelerator pedal sensor range or performance fault.

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Symptoms

  • Hesitation
  • Poor drivability

Causes

  • Sensor wear
  • Wiring issue
  • Voltage instability

Diagnosis

  • Check sensor resistance
  • Inspect wiring
  • Scan throttle data

Repair

  • Replace sensor
  • Repair wiring