OBD Guide

P0B7E

Hybrid/EV Battery Voltage Sense N Circuit Low

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Reduced vehicle power
  • Switching to emergency mode
  • Check Engine Light Illuminates
  • Incorrect battery level display
  • Problems with charging a high-voltage battery

Causes

  • Voltage sensor fault N
  • Damage to the sensor circuit wiring harness
  • Poor contact in connectors
  • Problems with the battery management module
  • High voltage battery fault

How to Fix

  1. Check the integrity of the N sensor circuit wiring harness
  2. Check sensor connections and connectors
  3. Test voltage sensor N
  4. Check the condition of the high-voltage battery
  5. If necessary, replace faulty components

Related codes

Error P0B7E by Vehicle Brand