Code result

P03F5

B Camshaft Profile Actuator C Control Stuck On

High severity

What it means

Cam profile actuator B position C is stuck engaged when commanded off — typically a stuck oil control valve.

Is it safe to drive?

No — stop driving

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

  • Oil control valve stuck open

    high

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

  • Carbon or debris buildup preventing free movement

    low

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

  • Component wear with age - mechanical play

    low

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

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