OBD-II code · Powertrain (generic)
P0CBF Drive Motor A Coolant Temperature Sensor Circuit High
The ECM detects a high fault on the drive motor a coolant temperature sensor circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0CBF?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleOpen sensor
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
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
- Drive Motor A Coolant Temp Sensor, Wiring Harness, Hybrid Control Module
Related codes
- P0CBCDrive Motor A Coolant Temperature Sensor Circuit
- P0CBDDrive Motor A Coolant Temperature Sensor Circuit Range/Performance
- P0CBEDrive Motor A Coolant Temperature Sensor Circuit Low
- P0CC0Drive Motor A Coolant Temperature Sensor Circuit Intermittent
- P0CC1Drive Motor A Coolant Pump Control Circuit/Open
- P0CC2Drive Motor A Coolant Pump Control Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.