OBD-II code · Powertrain (generic)
P03F1 B Camshaft Profile Actuator C Control Circuit/Open (Bank 1)
The drive circuit for cam profile actuator B in position C on bank 1 is open. Three-stage cam profile systems use a separate control valve per profile position.
Is it safe to drive with P03F1?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySolenoid winding open
- Less likelyPin pushed back out of connector body
- Less likelyCracked solder joint inside the module or sensor
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.7–3 h
- Emissions test
- Likely to fail
- Parts involved
- Camshaft Position Actuator
Related codes
- P03ECA Camshaft Profile Actuator C Control Circuit/Open (Bank 1)
- P03EEA Camshaft Profile Actuator C Control Circuit High (Bank 1)
- P03EFA Camshaft Profile Actuator C Control Performance/Stuck Off (Bank 1)
- P03F0A Camshaft Profile Actuator C Control Stuck On (Bank 1)
- P03F2B Camshaft Profile Actuator C Control Circuit Low (Bank 1)
- P03F3B Camshaft Profile Actuator C Control Circuit High (Bank 1)
- P03F4B Camshaft Profile Actuator C Control Performance/Stuck Off (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.