Powertrain
generic or reserved
P3475
Cylinder Deactivation Oil Pressure Switch Bank 1 Circuit
The engine control module has detected an electrical fault in the cylinder deactivation oil pressure switch circuit on bank 1. The switch confirms that hydraulic pressure has reached the level required to collapse the switching lifters; without a valid signal the system disables deactivation.
SystemPowertrain
Typegeneric or reserved
GroupP3
Range / number4 / 75
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