OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P23F0?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOutput line shorted to ground
- Less likelyConnector pins corroded - high contact resistance
- Less likelyHarness chafing through insulation
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
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.2 h
- Emissions test
- Usually unaffected
- Parts involved
- Cam Position Signal B B2 Output
Related codes
- P23EACamshaft A Position Signal Output Circuit Low Bank 2
- P23EDCamshaft B Position Signal Output Circuit Low Bank 1
- P2615Camshaft A Position Signal Output Circuit Low Bank 1
- P23EECamshaft B Position Signal Output Circuit High Bank 1
- P23EFCamshaft B Position Signal Output Circuit Open Bank 2
- P23F1Camshaft B Position Signal Output Circuit High Bank 2
- P23F2Cylinder 1 Injector B Air-Fuel Ratio Imbalance
- P23F3Cylinder 2 Injector B Air-Fuel Ratio Imbalance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.