Powertrain
generic or reserved
P3446
Cylinder 6 Exhaust Valve Control Circuit Low
The engine control module has detected a low-side voltage fault (short to ground) on the cylinder 6 exhaust valve deactivation solenoid circuit. Cylinder deactivation is disabled while the fault is present.
SystemPowertrain
Typegeneric or reserved
GroupP3
Range / number4 / 46
Possible causes
- Wiring shorted to ground high
- Solenoid internal short medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–1200 €
- Estimated time: 1–6 h
- Component: cylinder deactivation solenoid
- Component: engine wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012