Powertrain
generic / SAE
P2645
A Rocker Arm Actuator Control Circuit / Open Bank 1
The controller cannot drive the rocker arm switching actuator A on bank 1 (used in cylinder deactivation systems such as VTEC, AFM, MDS). The valve lift mode cannot be switched.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 45
Possible causes
- Open coil in oil control valve high
- Broken control wire medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–5 h
- Component: rocker arm actuator a b1
- Component: oil control valve
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012