P0023 - B Camshaft Position – Actuator Circuit Open (Bank 2)
Variable Valve Timing systems are used to alter the camshaft angular position in relation to the Crankshaft. The ECM will control some form of actuator which is used to alter the valve timing.
Fault Code Explained
This fault code indicates a fault in the Variable Valve Timing Actuator control circuit for Camshaft ‘B’ Bank 2. Although this fault code indicates that the Camshaft Position Actuator circuit is open, this does not always mean a complete break in the circuit.
The fault code can also be set for the following reasons:
- A power supply issue (no supply Voltage)
- A faulty component
It is recommended to check the following systems and components.
- Variable Valve Timing Actuator circuit