OBD Guide

P0B55

Hybrid/EV Battery Voltage Sense F Circuit Range/Performance

P0B55 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense F Circuit Range/Performance. Common causes: battery voltage sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Reducing the range of an electric vehicle
  • Inability to switch to electric mode
  • Error message on display

Causes

  • Battery voltage sensor fault
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Problems with the battery management module
  • Contact corrosion in a high voltage system

How to Fix

  1. Check the continuity of the voltage sensor circuit
  2. Test battery voltage sensor
  3. Inspect and clean connector contacts
  4. Check the operation of the battery management module
  5. Replace faulty voltage sensor

Related codes

Error P0B55 by Vehicle Brand

FAQ

What does the P0B55 code mean?

P0B55 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense F Circuit Range/Performance

What causes a P0B55 error code?

The most common causes of P0B55 include: Battery voltage sensor fault; Open or short circuit in the sensor circuit; Poor contact in connectors; Problems with the battery management module.

How do I fix a P0B55 diagnostic trouble code?

To fix P0B55: Check the continuity of the voltage sensor circuit. Test battery voltage sensor. Inspect and clean connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0B55?

Limited driving only, diagnose soon

How much does it cost to fix P0B55?

The estimated repair cost for P0B55 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat