P2091: Camshaft Position B Actuator Control Circuit High (Bank 1)
Standardized SAE J2012 code · P20xx — Fuel & air metering and auxiliary emission controls
What does P2091 mean?
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.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Common causes
- High Drive line shorted to supply
- Low ECU driver stage failed
- Low Connector pins corroded - high contact resistance
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2091 on the same make and model first.
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