OBD-II code · Powertrain (generic, extended)
P23EC Camshaft B Position Signal Output Circuit Open Bank 1
Camshaft B Position Signal Output Circuit Open Bank 1: the circuit is open. This relates to engine timing; a fault can cause rough running, a no-start, or timing errors.
Is it safe to drive with P23EC?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen in output wiring
- Less likelyPin pushed back out of connector body
- Less likelyCracked solder joint inside the module or sensor
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 B1 Output
Related codes
- P23E9Camshaft A Position Signal Output Circuit Open Bank 2
- P23EFCamshaft B Position Signal Output Circuit Open Bank 2
- P23EACamshaft A Position Signal Output Circuit Low Bank 2
- P23EBCamshaft A Position Signal Output Circuit High Bank 2
- P23EDCamshaft B Position Signal Output Circuit Low Bank 1
- P23EECamshaft B Position Signal Output Circuit High Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.