P002A
B Camshaft Profile Actuator A Control Circuit/Open Bank 1
Open circuit at the cam profile actuator on the exhaust cam (profile A, bank 1). Same diagnosis as P001A but for the exhaust profile actuator.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Common causes
Ordered by how often each turns out to be the cause.
- Wiring breakCommon
- Actuator coil openPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Cam Profile Actuator Exhaust
- Actuator Wiring
P002A is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.