P0522 – Engine Oil Pressure Sensor Low Input

Description

The ECM detects a low voltage signal from the oil pressure sensor.

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Symptoms

  • Oil light on
  • Engine ticking
  • Low oil pressure

Causes

  • Short to ground
  • Faulty sensor
  • Low oil level

Diagnosis

  • Monitor sensor voltage
  • Check oil level
  • Inspect wiring

Repair

  • Repair wiring
  • Replace sensor
  • Refill oil