P0B6B

Hybrid/EV Battery Voltage Sense J Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
The car may go into emergency mode
Reduced range of electric vehicles
Possible problems with battery charging

Causes

Voltage sensor fault J
Damaged or corroded J circuit wiring
Problems with connectors in the measuring circuit
Battery management module (BMS) malfunction
Increased voltage in the battery itself

How to Fix

Check continuity of circuit J
Inspect the sensor connectors for corrosion
Check the functionality of the voltage sensor J
Test the battery management module
Diagnose the condition of a high-voltage battery

Related codes

P0B6A P0B6C P0B6D