Hybrid Battery Control Module

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 a Bad or Failing Hybrid Battery Control Module

  • Illumination of a dash mounted warning light
  • Failure off the hybrid battery to charge or stay charged

Hybrid Battery Control Module 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.

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