OBD-II code · Powertrain (generic)
P0025 "B" Camshaft Position - Timing Over-Retarded (Bank 2)
The bank 2 exhaust camshaft remains retarded relative to commanded position. Same root causes as P0012 but on the exhaust cam.
Is it safe to drive with P0025?
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 stuck (retard)
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
- 0.5–5 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, Cam Phaser
Related codes
- P0012"A" Camshaft Position - Timing Over-Retarded (Bank 1)
- P0015"B" Camshaft Position - Timing Over-Retarded (Bank 1)
- P0022"A" Camshaft Position - Timing Over-Retarded (Bank 2)
- P0023"B" Camshaft Position Actuator Circuit (Bank 2)
- P0024"B" Camshaft Position - Timing Over-Advanced (Bank 2)
- P0026Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)
- P0027Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1
- P0028Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.