P0B97

Hybrid/EV Battery Voltage Sense S Circuit Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid/electric system power reduction
Switching to emergency mode
Unstable battery performance
Increased fuel consumption (for hybrids)

Causes

Battery voltage sensor fault
Open or short circuit in the sensor circuit
Poor contact in circuit connectors
Battery control unit malfunction
Circuit Grounding Problems

How to Fix

Check the continuity of the voltage sensor circuit
Check sensor connections and connectors
Test battery voltage sensor
Check the operation of the battery control unit
Replace faulty components

Related codes

P0B96 P0B98 P0B99