P0DBB

Hybrid/EV Battery Cell Balancing Circuit D Range/Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric vehicle range
Deterioration in acceleration dynamics
Warning messages on the dashboard
Reduced efficiency of regenerative braking
Uneven charge of battery cells

Causes

Balancing module malfunction
Damage to the balancing circuit wiring harness
Problems with the battery controller (BMS)
Battery cell degradation
Corrosion of contacts in the balancing circuit

How to Fix

Balancing circuit diagnostics using a scanner
Checking the integrity of the wiring harness
Testing the balancing module
Replacing faulty circuit components
Battery Management System (BMS) Calibration

Related codes

P0DBC P0DBD P0A80