OBD-II code · Powertrain (generic, extended)
P264D A Rocker Arm Actuator Position Sensor Circuit High Bank 1
The position sensor signal is above the upper diagnostic threshold. Common causes are an open sensor or a short to the 5 V reference.
Is it safe to drive with P264D?
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 A B1, Wiring Harness
Related codes
- P265DB 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
- P264AA Rocker Arm Actuator Position Sensor Circuit Bank 1
- P264BA Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1
- P264CA Rocker Arm Actuator Position Sensor Circuit Low Bank 1
- P264EA Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1
- P264FEngine Serial Number Not Programmed or Incompatible
- P2650B Rocker Arm Actuator Control Circuit / Open Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.