OBD-II code · Powertrain (generic, extended)
P265A B Rocker Arm Actuator Position Sensor Circuit Bank 1
The position sensor that confirms the B rocker arm switching state on bank 1 returns no usable signal.
Is it safe to drive with P265A?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyOpen sensor element
- PossibleCorroded sensor connector
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Rocker Arm Position Sensor B B1, Wiring Harness
Related codes
- P264AA Rocker Arm Actuator Position Sensor Circuit Bank 1
- P266AA Rocker Arm Actuator Position Sensor Circuit Bank 2
- P267AB Rocker Arm Actuator Position Sensor Circuit Bank 2
- P2657A Rocker Arm Actuator System Stuck On Bank 2
- P2658A Rocker Arm Actuator Control Circuit Low Bank 2
- P2659A Rocker Arm Actuator Control Circuit High Bank 2
- P265BB Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1
- P265CB Rocker Arm Actuator Position Sensor Circuit Low Bank 1
- P265DB Rocker Arm Actuator Position Sensor Circuit High Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.