P0B6C – BMW DTC

BMW DTC P0B6C – Hybrid/EV Battery Voltage Sense ‘J’ Circuit Intermittent/Erratic

DTC P0B6C meaning on BMW

DTC P0B6C for BMW refers to the Hybrid/EV Battery Voltage Sense ‘J’ Circuit Intermittent/Erratic. This diagnostic trouble code indicates that there is an intermittent or erratic issue with the voltage sensing circuit related to the hybrid or electric vehicle battery in the BMW.

BMW DTC P0B6C symptoms

Symptoms of BMW DTC P0B6C may include:

  • Check Engine Light illuminated
  • Hybrid or electric drive system performance issues
  • Reduced fuel efficiency
  • Vehicle may not start or may go into a reduced power mode

BMW DTC P0B6C causes

Possible causes of BMW DTC P0B6C include:

  • Faulty hybrid or electric vehicle battery
  • Wiring or connection issues in the voltage sensing circuit
  • Defective voltage sensor
  • Intermittent electrical issues

BMW DTC P0B6C seriousness

The seriousness of BMW DTC P0B6C lies in the potential impact on the hybrid or electric drive system of the vehicle. Ignoring this DTC can lead to drivability issues, reduced fuel efficiency, and potential safety concerns. It is important to address this code promptly.

How to diagnose DTC P0B6C on BMW

To diagnose BMW DTC P0B6C, a mechanic may perform the following steps:

  • Use a diagnostic scanner to retrieve the specific details of the code
  • Inspect the hybrid or electric vehicle battery for any visible damage
  • Check the wiring and connections in the voltage sensing circuit for any issues
  • Test the voltage sensor for proper operation
  • Perform a battery load test to ensure its functionality

How to fix DTC P0B6C on BMW

To fix BMW DTC P0B6C, the following steps may be taken:

  • Repair or replace any damaged wiring or connections in the voltage sensing circuit
  • Replace the faulty hybrid or electric vehicle battery if necessary
  • Replace the defective voltage sensor
  • Clear any corrosion or debris from the battery terminals
  • Perform a reset of the hybrid or electric drive system

How to erase DTC P0B6C on BMW

To erase BMW DTC P0B6C, the following steps can be followed:

  • Use a diagnostic scanner to clear the code from the vehicle’s computer
  • Ensure that the underlying issue causing the DTC has been resolved
  • Perform a test drive to confirm that the code does not return

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.