OBD-II code · Powertrain (generic)
P0CDF Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit/Open
The HV battery pack coolant control valve A reports a control circuit/open condition. Coolant routing to battery sections may be impaired.
Is it safe to drive with P0CDF?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in valve control wire
- PossibleOpen valve actuator
- Less likelyPin pushed back out of connector body
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Pack Coolant Valve A, Wiring Harness, Bms
Related codes
- P0D1AHybrid/EV Battery Pack Coolant Control Valve B Control Circuit/Open
- P0DE8Hybrid/EV Battery Pack Coolant Control Valve C Control Circuit/Open
- P0CDCDrive Motor A Position Sensor Circuit C Circuit Low
- P0CDDDrive Motor A Position Sensor Circuit C Circuit High
- P0CDEDrive Motor A Position Sensor Circuit C Circuit Intermittent/Erratic
- P0CE0Hybrid/EV Battery Pack Coolant Control Valve A Performance/Stuck Off
- P0CE1Hybrid/EV Battery Pack Coolant Control Valve A Stuck On
- P0CE2Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.