Powertrain
generic / SAE
P0080
Exhaust Valve Control Solenoid Circuit High Bank 1
Exhaust valve solenoid bank 1 control voltage above expected range. Short to power or open ground. The exhaust control valve modulates exhaust backpressure or routing (EGR feed, sound, regen support); a malfunction shifts torque mapping and may trigger limp mode.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 80
Possible causes
- Wiring shorted to battery high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 0.5–3 h
- Component: exhaust valve solenoid
- Component: solenoid wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012