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OBD II Fault Code

  • OBD II P0B84

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

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 P0B84.

Increased fuel consumption Symptoms

  • Increased fuel consumption

Common Problems That Trigger the P0B84 Code

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