P0B5C

Hybrid/EV Battery Voltage Sense G Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check engine light comes on
Reduced performance of the hybrid system
Incorrect display of battery charge level
The car goes into emergency mode

Causes

Battery voltage sensor fault
Damaged or corroded wiring
Problems with the battery management module
Short circuit in the sensor circuit

How to Fix

Check the integrity of wiring and connectors
Check the functionality of the voltage sensor
Check Battery Management Module
Replace faulty components

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