Powertrain
generic / SAE
P2B46
A Camshaft Position Actuator Position Sensor B Circuit High Bank 2
The position sensor B of the camshaft position actuator on the intake side of bank 2 reports a circuit high condition. Cam phasing position cannot be measured reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 46
Possible causes
- Signal wire shorted to B+ high
- Open position sensor medium
- Connector pins corroded - high contact resistance 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: 150–800 €
- Estimated time: 1–4 h
- Component: a camshaft position actuator pos sensor b b2
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012