P003F
A Camshaft Profile Actuator A Control Stuck On Bank 2
The intake cam profile actuator (profile A, bank 2) stays engaged when commanded off — stuck in high-lift profile. Idle quality and emissions affected.
The intake cam profile actuator (profile A, bank 2) stays engaged when commanded off — stuck in high-lift profile. Idle quality and emissions affected.
Common causes
- high
Locking pin stuck engaged
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-1100
- low
Carbon or debris buildup preventing free movement
Less common, but worth ruling out after the more likely causes.
Typical part cost: $90-1100
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P003F.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for P003F.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for P003F.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does P003F mean?
P003F means "A Camshaft Profile Actuator A Control Stuck On Bank 2". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.
What are the most common causes of P003F?
locking pin stuck engaged; carbon or debris buildup preventing free movement; component wear with age - mechanical play — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full P003F diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.