Powertrain
generic or reserved
P341A
Deactivation/Intake Valve Control Circuit Performance Bank 1
The intake valve deactivation system on bank 1 is electrically active but the mechanical response does not match commanded state. Often hydraulic pin sticking from sludge or low oil pressure.
SystemPowertrain
Typegeneric or reserved
GroupP3
Range / number4 / 1A
Possible causes
- Oil sludge blocks deactivation pin high
- Low oil pressure medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–2500 €
- Estimated time: 2–8 h
- Component: cylinder deactivation solenoid
- Component: hydraulic pin
- Component: engine oil
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012