P0DD8

Hybrid/EV Battery Cell Balancing Circuit L

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric vehicle range
Check Engine Light Illuminated
The car goes into emergency mode
Uneven wear of battery cells
Reduced battery efficiency

Causes

BMS balancing module malfunction
Open or short circuit in the balancing circuit
Battery harness problems
Defective battery cells
Battery management system software errors

How to Fix

Battery Management System (BMS) Diagnostics
Checking the integrity of the balancing circuit
Testing individual battery cells
Replacing faulty balancing modules
BMS Software Update

Related codes

P0DD6 P0DD7 P0DD9