OBD-II code · Powertrain (generic, extended)
P2091 Camshaft Position B Actuator Control Circuit High (Bank 1)
Drive voltage to the exhaust VVT oil control valve on bank 1 is above the upper limit. Mirror image of P2089 on the exhaust cam side.
Is it safe to drive with P2091?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyDrive line shorted to supply
- Less likelyECU driver stage failed
- Less likelyConnector pins corroded - high contact resistance
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
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Vvt Solenoid, Vvt Wiring
Related codes
- P2089Camshaft Position A Actuator Control Circuit High (Bank 1)
- P2090Camshaft Position B Actuator Control Circuit Low (Bank 1)
- P208EReductant Injection Valve Stuck Closed (Bank 1 Unit 1)
- P208FReductant Injection Valve Stuck Closed (Bank 2 Unit 1)
- P2092A Camshaft Position Actuator Control Circuit Low (Bank 2)
- P2093A Camshaft Position Actuator Control Circuit High (Bank 2)
- P2094B Camshaft Position Actuator Control Circuit Low (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.