P001A
A Camshaft Profile Actuator A Control Circuit/Open Bank 1
Open circuit at the camshaft profile actuator (intake, profile A, bank 1). Used by systems with discrete cam-lift levels (e.g. BMW Valvetronic, Honda VTEC, Audi AVS) — the actuator that selects the lift profile cannot be driven.
Open circuit at the camshaft profile actuator (intake, profile A, bank 1). Used by systems with discrete cam-lift levels (e.g. BMW Valvetronic, Honda VTEC, Audi AVS) — the actuator that selects the lift profile cannot be driven.
Common causes
- high
Wiring break or unplugged connector
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-880
- medium
Actuator coil open
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-880
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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 P001A mean?
P001A means "A Camshaft Profile Actuator A Control Circuit/Open 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 P001A?
wiring break or unplugged connector; actuator coil open; pin pushed back out of connector body — 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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