Powertrain
generic or reserved
P3477
Cylinder Deactivation Oil Pressure Switch Bank 2 Circuit
The engine control module has detected an electrical fault in the cylinder deactivation oil pressure switch circuit on bank 2. Without a valid signal the module cannot confirm that hydraulic pressure has reached the level needed to deactivate cylinders on bank 2.
SystemPowertrain
Typegeneric or reserved
GroupP3
Range / number4 / 77
Possible causes
- Oil pressure switch failed high
- Wiring short or open medium
- Connector corrosion low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 1–4 h
- Component: oil pressure switch
- Component: engine wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012