P0B83

Hybrid/EV Battery Voltage Sense O Circuit Low

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Battery charging problems
Reduced performance of the hybrid system
The car may go into emergency mode

Causes

Battery voltage sensor fault
Open or short circuit in the sensor circuit
Poor contact in sensor circuit connectors
Wiring Harness Problems
Hybrid ECU malfunction

How to Fix

Check the continuity of the battery voltage sensor circuit
Check connections and connectors in the sensor circuit
Check sensor resistance and voltage
If necessary, replace the battery voltage sensor
Check and update ECU software if necessary

Related codes

P0B84 P0B85 P0B82