P0B22

Hybrid/EV Battery Pack Voltage Sense D Circuit Intermittent/Erratic

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Hybrid system power reduction
Warning messages on the dashboard
Reducing the range of an electric vehicle
Unstable operation of the hybrid transmission
Check Engine Light Illuminates

Causes

Damage to the wiring in the sensor circuit
Battery voltage sensor fault
Poor contact in system connectors
Problems with the battery management module
Contact corrosion in the battery pack

How to Fix

Check the integrity of wiring and connectors
Test battery voltage sensors
Check connections in battery pack
Scan the battery management module for errors
Replace faulty circuit components

Related codes

P0B21 P0B23 P0AFA