P0BBF
Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/Open
P0BBF is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/Open. Common causes: fan power supply circuit open, faulty fan relay. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Cooling fan is noisy or not working
- Hybrid battery overheating
- The car goes into emergency mode
Causes
- Fan power supply circuit open
- Faulty fan relay
- Blown fuse
- Wiring Harness Problems
- Malfunction of the hybrid system control unit
How to Fix
- Check fan circuit fuses
- Check fan relay
- Inspect the wiring harness for damage
- Check the voltage at the fan connector
- Test the operation of the fan with the ignition on
Related codes
Error P0BBF by Vehicle Brand
FAQ
What does the P0BBF code mean?
P0BBF is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/Open
What causes a P0BBF error code?
The most common causes of P0BBF include: Fan power supply circuit open; Faulty fan relay; Blown fuse; Wiring Harness Problems.
How do I fix a P0BBF diagnostic trouble code?
To fix P0BBF: Check fan circuit fuses. Check fan relay. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0BBF?
Limited driving only, diagnose soon
How much does it cost to fix P0BBF?
The estimated repair cost for P0BBF is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat