OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2662?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyMechanical lock pin stuck in activated position
- PossibleOil control valve spool stuck open
- Less likelyCarbon or debris buildup preventing free movement
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–5.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Rocker Arm Actuator B B2, Oil Control Valve
Related codes
- P2647A Rocker Arm Actuator System Stuck On Bank 1
- P2652B Rocker Arm Actuator System Stuck On Bank 1
- P2657A Rocker Arm Actuator System Stuck On Bank 2
- P265FVariable A/C Compressor Control Circuit Range/Performance
- P2660B Rocker Arm Actuator Control Circuit / Open Bank 2
- P2661B Rocker Arm Actuator System Performance/Stuck Off Bank 2
- P2663B Rocker Arm Actuator Control Circuit Low Bank 2
- P2664B Rocker Arm Actuator Control Circuit High Bank 2
- P2665Fuel Shutoff Valve B Control Circuit / Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.