The purpose of the hybrid battery control module is to continually calculate the state of charge for the high voltage battery in a hybrid vehicle. It then sends this information to the high voltage control unit, which determines whether to charge or discharge the high voltage battery.
Symptoms of Wear or Failure
- Illumination of a dash mounted warning light
- Failure off the hybrid battery to charge or stay charged
Related Repair Advice
- Always follow the manufacturer's recommended service procedures when inspecting and replacing the hybrid battery control module
- Caution is necessary when working on the hybrid battery system. Injury or death may result if proper procedures are not followed.