P0BC9
Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit Low
P0BC9 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit Low. Common causes: open or short circuit in the sensor circuit, fan sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Battery overheating
- Noisy cooling fan
- Reduced vehicle power
Causes
- Open or short circuit in the sensor circuit
- Fan sensor malfunction
- Problems with the cooling fan itself
- Poor contact in connectors
- Battery management module malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check the condition of connectors and contacts
- Test the fan sensor
- Check the operation of the cooling fan
- If necessary, replace the sensor or fan
Related codes
Error P0BC9 by Vehicle Brand
FAQ
What does the P0BC9 code mean?
P0BC9 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit Low
What causes a P0BC9 error code?
The most common causes of P0BC9 include: Open or short circuit in the sensor circuit; Fan sensor malfunction; Problems with the cooling fan itself; Poor contact in connectors.
How do I fix a P0BC9 diagnostic trouble code?
To fix P0BC9: Check the integrity of the sensor circuit. Check the condition of connectors and contacts. Test the fan sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0BC9?
Limited driving only, diagnose soon
How much does it cost to fix P0BC9?
The estimated repair cost for P0BC9 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat