P0B94

Hybrid/EV Battery Voltage Sense R Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable hybrid/electric system operation
Reduced power or efficiency
Check Engine Light Illuminates
Incorrect battery level readings
Malfunctions of the regenerative braking system

Causes

Poor contact in the voltage measurement circuit connectors
Wiring harness damage
Battery voltage sensor fault
Contact corrosion
Problems with the battery management module

How to Fix

Check the integrity of the voltage measurement circuit wiring harness
Inspect and clean connector contacts
Check the functionality of the voltage sensors
Test the battery management module
Replace damaged components if necessary

Related codes

P0B95 P0B96 P0B97