P005B
B Camshaft Profile Actuator A Control Stuck On Bank 1
Exhaust cam profile actuator A on bank 1 stuck engaged. Same fault pattern as P003D on the exhaust cam. The cam phaser actuator adjusts intake/exhaust timing under load — a stuck or slow phaser kills mid-rpm torque and can throw correlation codes between cam and crank.
Exhaust cam profile actuator A on bank 1 stuck engaged. Same fault pattern as P003D on the exhaust cam. The cam phaser actuator adjusts intake/exhaust timing under load — a stuck or slow phaser kills mid-rpm torque and can throw correlation codes between cam and crank.
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
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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.
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Related codes
See related trouble codes
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Frequently asked questions
What does P005B mean?
P005B means "B Camshaft Profile Actuator A Control Stuck On Bank 1". 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 P005B?
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.
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