Powertrain
generic / SAE
P23F0
Camshaft B Position Signal Output Circuit Low Bank 2
Same as P23EA on cam B bank 2. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / F0
Possible causes
- Output line shorted to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–250 €
- Estimated time: 0.3–1.2 h
- Component: cam position signal b b2 output
- MIL / check engine light
Sources
References
sae:J2012