OBD-II code · Powertrain (generic, extended)

P2655 A Rocker Arm Actuator Control Circuit / Open Bank 2

The controller cannot drive the rocker arm switching actuator A on bank 2. The valve lift mode cannot be switched on this bank.

Is it safe to drive with P2655?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyOpen coil in oil control valve
  • PossibleBroken control wire

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1.5–5 h
Emissions test
Usually unaffected
Parts involved
Rocker Arm Actuator A B2, Oil Control Valve, Wiring Harness

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.