P0DD2

Hybrid/EV Battery Cell Balancing Circuit J Stuck Off

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric range
Extending battery charging time
Malfunction Indicator Light (MIL) Illuminates
Reduced overall vehicle performance
Error message on the instrument panel display

Causes

Cell balancing module malfunction
Problems with wiring or connectors in the balancing circuit
Battery management unit software failure
Mechanical damage to balancing system components
Corrosion of contacts in the control circuit

How to Fix

Diagnose the high-voltage battery system
Check the integrity of the wiring and connectors of the balancing circuit
Test the cell balancing module
Update or reflash battery control unit software
If necessary, replace faulty system components

Related codes

P0DD0 P0DD1 P0DD3