Powertrain
generic / SAE
P03E8
A Camshaft Position Actuator Position Sensor C Circuit High (Bank 1)
Position sensor C above upper plausibility — open signal or short to B+. The camshaft position sensor identifies which cylinder is on the compression stroke — without it the ECM cannot run sequential injection or coil-on-plug ignition correctly.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / E8
Possible causes
- Open signal line high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.7–3 h
- Component: camshaft position actuator
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012