P0B19

Hybrid/EV Battery Pack Voltage Sense C Circuit

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (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

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

Related codes

P0B18 P0B1A P0B1B