Hybrid/EV Battery Pack Coolant Pump Performance
Thermal · Powertrain
What does this code mean?
The battery coolant pump is not performing as expected.
This is a generic OBD-II / UDS code — the meaning is standardized across manufacturers.
Possible symptoms
Possible causes
- 1.Coolant pump failure
- 2.Pump wiring fault
- 3.Air in the coolant circuit
These are possible causes — a professional inspection is required to confirm.
Diagnostic procedure & recommended checks
- Listen for the pump during charging
- Check pump fuse and connector
- Bleed the coolant circuit if required
Recommended actions
- Replace the pump if confirmed — professional inspection recommended
Can I drive?
Yes, but monitor temperature
When to contact a professional
Before long drives or fast charging.
Related Fix & Solve guides
Diagnostic information is provided for informational purposes and does not replace professional inspection. High-voltage systems must only be serviced by qualified personnel.