OBD-II code · Powertrain (generic, extended)
P266E A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2
The position sensor signal for actuator A on bank 2 jumps or drops out intermittently. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P266E?
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 A B2, Wiring Harness
Related codes
- P264EA Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1
- P265EB Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1
- P267EB Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2
- P266BA Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2
- P266CA Rocker Arm Actuator Position Sensor Circuit Low Bank 2
- P266DA Rocker Arm Actuator Position Sensor Circuit High Bank 2
- P266FA/C Refrigerant Distribution Valve A Control Circuit Driver Current/Temperature Too High
- P2670Actuator Supply Voltage B Circuit Low
- P2671Actuator Supply Voltage B Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.