P0DB8

Hybrid/EV Battery Cell Balancing Circuit D

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric vehicle range
Increased charging time
Battery warning on instrument panel
Reduced overall vehicle performance
Uneven heating of the battery pack

Causes

Battery balancing module malfunction
Open or short circuit in the balancing circuit
Problems with the Battery Management System (BMS)
Corrosion of contacts in the balancing circuit
Software error in control software

How to Fix

Battery Management System (BMS) Diagnostics
Checking the integrity of the balancing circuit
Testing of individual balancing modules
Updating BMS software if necessary
Replacing faulty balancing system components

Related codes

P0DB6 P0DB7 P0DB9