OBD-II code · Powertrain (generic, extended)
P265D B Rocker Arm Actuator Position Sensor Circuit High Bank 1
The position sensor signal for actuator B on bank 1 is above the upper diagnostic threshold. 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 P265D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen sensor element
- PossibleSignal wire shorted to the 5 V reference
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Rocker Arm Position Sensor B B1, Wiring Harness
Related codes
- P264DA Rocker Arm Actuator Position Sensor Circuit High Bank 1
- P266DA Rocker Arm Actuator Position Sensor Circuit High Bank 2
- P267DB Rocker Arm Actuator Position Sensor Circuit High Bank 2
- P265AB Rocker Arm Actuator Position Sensor Circuit Bank 1
- P265BB Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1
- P265CB Rocker Arm Actuator Position Sensor Circuit Low Bank 1
- P265EB Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1
- P265FVariable A/C Compressor Control Circuit Range/Performance
- P2660B Rocker Arm Actuator Control Circuit / Open Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.