OBD-II code · Powertrain (generic)
P0023 "B" Camshaft Position Actuator Circuit (Bank 2)
Electrical fault in the bank 2 exhaust camshaft position actuator. Same diagnostic principle as P0013 but on the second cylinder bank.
Is it safe to drive with P0023?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOil control valve electrically failed
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
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2.5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Camshaft Position Actuator, Oil Control Valve
Related codes
- P0010"A" Camshaft Position Actuator Circuit (Bank 1)
- P0013"B" Camshaft Position Actuator Circuit (Bank 1)
- P0020"A" Camshaft Position Actuator Circuit (Bank 2)
- P0021"A" Camshaft Position - Timing Over-Advanced (Bank 2)
- P0022"A" Camshaft Position - Timing Over-Retarded (Bank 2)
- P0024"B" Camshaft Position - Timing Over-Advanced (Bank 2)
- P0025"B" Camshaft Position - Timing Over-Retarded (Bank 2)
- P0026Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.