OBD-II code · Powertrain (generic, extended)

P264E A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1

The position sensor signal jumps or drops out intermittently. Usually a loose connector or a chafed wire in the harness.

Is it safe to drive with P264E?

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 or cam carrier
  • 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 A B1, Wiring Harness

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