P0BC8
Hybrid/EV Battery Pack Cooling Fan 1 Sense Range/Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean the cooling fan: Inspect the cooling fan for any debris or obstructions and clean it if necessary.
- Verify electrical connections: Ensure that all electrical connections related to the cooling fan are properly connected and free from any loose or corroded wires.
- Replace the cooling fan: If the cooling fan is not functioning properly, it may need to be replaced with a new one to restore its performance.
Common causes
Most likely first
- Faulty cooling fan motor
- Malfunctioning temperature sensor
- Wiring issue or connection problem
- Defective cooling fan relay
- Low coolant level
How to diagnose & fix
Work through it in order
- Overheating of the hybrid or electric vehicle battery pack
- Decreased fuel efficiency or range in hybrid or electric vehicles
- Difficulty in starting the vehicle's engine
- Malfunctioning cooling system or fan for the battery pack
- Illumination of the warning indicators related to the hybrid or electric system.
Read & clear P0BC8 yourself
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