P0B68

Hybrid/EV Battery Voltage Sense J Circuit

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Reducing electric range
Incorrect battery level readings

Causes

Open or short circuit in the sensor circuit
Damaged or oxidized connector contacts
Voltage sensor fault
Problems with the Battery Management Module (BMS)
Wiring harness damage

How to Fix

Check the continuity of the J voltage sensor circuit
Inspect and clean connector contacts
Check the functionality of the voltage sensor
Scan the BMS module for errors
Check wiring harness for damage

Related codes

P0B67 P0B69 P0AFA