What does code P23F0 mean?

Q: What does code P23F0 mean?

Camshaft B Position Signal Output Circuit Low Bank 2. P23F0 indicates that the powertrain control module (PCM) has detected an abnormally low voltage on the signal output circuit for the bank 2 camshaft B position sensor. This low signal is interpreted as a fault in the circuit or the sensor itself, which can affect variable valve timing and engine performance.

DTC codes / P23xx · Ignition system and misfire / P23F0

P23F0Camshaft B Position Signal Output Circuit Low Bank 2

P23F0 indicates that the powertrain control module (PCM) has detected an abnormally low voltage on the signal output circuit for the bank 2 camshaft B position sensor. This low signal is interpreted as a fault in the circuit or the sensor itself, which can affect variable valve timing and engine performance.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.