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P0522 — Engine Oil Pressure Sensor/Switch Circuit Low Input

What it means: Engine Oil Pressure Sensor/Switch Circuit Low Input.

How serious / can you keep driving: Caution. Limp to the next safe stop.

Check first: Check sensor signal for ground fault

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CautionLubricationLimp to the next safe stop

Seen on: Heavy Truck

What P0522 means

Engine Oil Pressure Sensor/Switch Circuit Low Input. Common causes: Oil pressure sensor signal low.

How serious is it?

Caution. Limp to the next safe stop.

Most likely causes

  1. Oil pressure sensor signal low
  2. Short to ground
  3. failed sensor

First moves (roadside)

  1. Check sensor signal for ground fault
  2. replace sensor

FAQ

What does P0522 mean?

Engine Oil Pressure Sensor/Switch Circuit Low Input. Common causes: Oil pressure sensor signal low.

How serious is P0522?

Caution — Limp to the next safe stop.

What's the most likely cause of P0522?

The most common cause is: Oil pressure sensor signal low. Other possibilities include Short to ground; failed sensor.

Can I keep driving with P0522?

Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.

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Related codes

Codes that commonly appear alongside P0522, or share the same subsystem.

Same symptom: Low oil pressure

Other codes a driver sees as an oil-pressure or oil-level warning.

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