P0CBF
Drive Motor A Coolant Temperature Sensor Circuit High
What it means
P0CBF means Drive Motor A Coolant Temperature Sensor Circuit High.
Where it lives
For P0CBF, the sensor sits on the circuit this code reports. The description of P0CBF reports a fault at the sensor.
Check these first
- A starter/generator coolant temperature sensor reporting a high signal
- An open in the coolant temperature sensor signal circuit
- A poor connection at the coolant temperature sensor connector
- A failed starter/generator control module
What to do next
- Read the starter/generator coolant temperature sensor on a scan tool
- Look for an open in the coolant temperature sensor signal circuit
- Inspect the coolant temperature sensor connector and wiring
- Test the coolant temperature sensor circuit for open and short faults
- Replace the starter/generator coolant temperature sensor if it tests bad
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.