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OBD II Fault Code

  • OBD II P0B9F

    OBD-II Code Increased fuel consumption is defined as a Hybrid Battery Voltage Sense "U" Circuit

    The High Voltage Battery Pack consists of many mini-batteries connected together. If the High Voltage Control Module has detects an issue with one or more of the battery packs that make up the High Voltage Battery Assembly, the High Voltage Control Module will set code P0B9F.

    Increased fuel consumption Symptoms

    • Increased fuel consumption

    Common Problems That Trigger the P0B9F Code

    • High voltage battery connection failure
    • High voltage battery assembly failure
    • Wiring issue
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