Powertrain
generic or reserved
P3487
Cylinder 11 Exhaust Valve Control Circuit Low
Cylinder 11 exhaust valve control voltage below expected range — short to 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 or reserved
GroupP3
Range / number4 / 87
Possible causes
- Wiring shorted to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–3 h
- Component: cyl11 exhaust valve actuator
- Component: actuator wiring
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012