OBD-II code · Powertrain (generic)
P03EC A Camshaft Profile Actuator C Control Circuit/Open (Bank 1)
The drive circuit for cam profile actuator A 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 P03EC?
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, Oil Control Valve
Related codes
- P03F1B Camshaft Profile Actuator C Control Circuit/Open (Bank 1)
- P03E9A Camshaft Profile Actuator Position Sensor A Exceeded Learning Limit
- P03EAA Camshaft Profile Actuator Position Sensor B Exceeded Learning Limit
- P03EBA Camshaft Profile Actuator Position Sensor C Exceeded Learning Limit
- P03EDA Camshaft Profile Actuator C Control Circuit Low (Bank 1)
- P03EEA Camshaft Profile Actuator C Control Circuit High (Bank 1)
- P03EFA Camshaft Profile Actuator C Control Performance/Stuck Off (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.