Powertrain
generic or reserved
P3464
Cylinder 8 Exhaust Valve Control Circuit High
The engine control module has detected a high voltage condition in the control circuit of the cylinder 8 exhaust valve deactivation solenoid. A short to voltage or open low-side path causes the driver to read above the expected range, disabling cylinder deactivation requests for cylinder 8.
SystemPowertrain
Typegeneric or reserved
GroupP3
Range / number4 / 64
Possible causes
- Solenoid or wiring shorted to power high
- Solenoid coil open medium
- ECM driver failed 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