P3476

What it means

The engine control module has detected a rationality fault between commanded oil pressure and the bank 1 cylinder deactivation oil pressure switch state. The switch fails to change state at the expected pressure threshold during deactivation transitions.

Is it safe to drive?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

• Pressure switch sticky or contaminated

  high

  One of the most commonly reported causes for this code — check this first.

• Oil control valve slow to respond

  medium

  A plausible cause — test and verify before replacing parts.

• Low system oil pressure

  low

  Less common, but worth ruling out after the more likely causes.

Related help

• Full P3476 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?