Code result
P003C
A Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1
Moderate severity
What it means
The intake cam profile actuator (profile A, bank 1) does not engage when commanded — stays in low-lift profile. Often hydraulic pin sticking or low oil pressure.
Is it safe to drive?
Use caution
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
Oil control valve stuck
highOne of the most commonly reported causes for this code — check this first.
Low oil pressure
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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