OBD-II code · Powertrain (generic, extended)

P265E B Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1

The position sensor signal for actuator B on bank 1 jumps or drops out intermittently. Usually a loose connector or a chafed wire.

Is it safe to drive with P265E?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySensor connector not fully seated
  • PossibleHarness chafed against valve cover
  • Less likelyConnector with intermittent contact under vibration

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Rocker Arm Position Sensor B B1, Wiring Harness

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