OBD Guide

P0B19

Hybrid/EV Battery Pack Voltage Sense C Circuit

P0B19 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Voltage Sense C Circuit. Common causes: battery voltage sensor fault, open or short circuit in the measurement 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

  • Reduced performance of the hybrid system
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Power limitation
  • Problems with charging a high-voltage battery

Causes

  • Battery voltage sensor fault
  • Open or short circuit in the measurement circuit
  • Poor contact in connectors
  • Problems with the battery management module
  • Corrosion of contacts in the measurement circuit

How to Fix

  1. Check the integrity of the voltage measurement circuit
  2. Inspect and clean all contacts in the circuit
  3. Check the functionality of the voltage sensors
  4. Scan the battery management module for errors
  5. If necessary, replace faulty components

Related codes

Error P0B19 by Vehicle Brand

FAQ

What does the P0B19 code mean?

P0B19 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Voltage Sense C Circuit

What causes a P0B19 error code?

The most common causes of P0B19 include: Battery voltage sensor fault; Open or short circuit in the measurement circuit; Poor contact in connectors; Problems with the battery management module.

How do I fix a P0B19 diagnostic trouble code?

To fix P0B19: Check the integrity of the voltage measurement circuit. Inspect and clean all contacts in the circuit. Check the functionality of the voltage sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0B19?

Limited driving only, diagnose soon

How much does it cost to fix P0B19?

The estimated repair cost for P0B19 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat