The control module detected an interruption (open circuit) in the Camshaft B Position Signal Output circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.14
P23EF Camshaft B Position Signal Output Circuit/Open Bank 2
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P23EF means
Related and nearby codes
How to read P23EF
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P23EF
What does P23EF mean?
Camshaft B Position Signal Output Circuit/Open Bank 2. The control module detected an interruption (open circuit) in the Camshaft B Position Signal Output circuit, so the expected electrical continuity was not present.
Is P23EF generic or manufacturer-specific?
P23EF is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P23EF at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
