P2662
B Rocker Arm Actuator System Stuck On Bank 2
The rocker arm actuator B on bank 2 stays in the activated state when commanded off.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Mechanical lock pin stuck in activated positionCommon
- Oil control valve spool stuck openPossible
- Carbon or debris buildup preventing free movementLess likely
Parts involved
- Rocker Arm Actuator B B2
- Oil Control Valve
P2662 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.