OBD-II code · Powertrain (generic)
P0CF2 Hybrid/EV Electronics Coolant Temperature Sensor A Circuit Intermittent/Erratic
The ECM detects a intermittent/erratic fault on the hybrid/ev electronics coolant temperature sensor a circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0CF2?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor connector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Hybrid Electronics Coolant Temp Sensor A, Wiring Harness, Hybrid Control Module
Related codes
- P0CEFHybrid/EV Electronics Coolant Temperature Sensor A Circuit Range/Performance
- P0CF0Hybrid/EV Electronics Coolant Temperature Sensor A Circuit Low
- P0CF1Hybrid/EV Electronics Coolant Temperature Sensor A Circuit High
- P0CF3Control Pilot Circuit /Open
- P0CF4Control Pilot Circuit Range/Performance
- P0CF5Control Pilot Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.