OBD-II code · Powertrain (generic, extended)
P266F A/C Refrigerant Distribution Valve A Control Circuit Driver Current/Temperature Too High
The driver stage for the A/C refrigerant distribution valve A is in current limit or over-temperature. Sustained overload from a partially shorted load or excessive switching frequency.
Is it safe to drive with P266F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPartial short in valve coil
- PossibleModule overheating from poor cooling
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- AC Distribution Valve A, Control Module
Related codes
- P266CA Rocker Arm Actuator Position Sensor Circuit Low Bank 2
- P266DA Rocker Arm Actuator Position Sensor Circuit High Bank 2
- P266EA Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2
- P2670Actuator Supply Voltage B Circuit Low
- P2671Actuator Supply Voltage B Circuit High
- P2672Injection Pump Timing Offset
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.