P0B91 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0B91 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0B91 code.

OBD II Fault Code

• OBD II P0B91

OBD-II Code Increased fuel consumption is defined as a Hybrid Battery Voltage Sense "R" Circuit Range/Performance

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 P0B91.

Increased fuel consumption Symptoms

• Increased fuel consumption

Common Problems That Trigger the P0B91 Code

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