Powertrain
generic / SAE
P2090
Camshaft Position B Actuator Control Circuit Low (Bank 1)
Drive voltage to the exhaust VVT oil control valve on bank 1 is below the lower limit. Same failure pattern as P2088 but for the exhaust cam phaser.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 90
Possible causes
- Drive line shorted to ground high
- Exhaust VVT solenoid internally shorted medium
- Connector pins corroded - high contact resistance low
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–300 €
- Estimated time: 0.3–1.5 h
- Component: vvt solenoid
- Component: vvt wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012