P0DE3

Hybrid/EV Battery Cell Balancing Circuit N Range/Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Reduced range on a single charge
Increased charging time
Unstable operation of the hybrid system
Warning messages on the dashboard
Reduced vehicle power

Causes

Faulty balancing resistors
Damage to wiring or connectors
Battery Management Module (BMS) malfunctions
Worn or damaged battery cells
Problems with BMS software

How to Fix

Check the integrity of the wiring and connectors of the balancing circuit
Test balancing resistors
Check Battery Management Module (BMS) operation
Diagnose the condition of battery cells
Update or reflash BMS software

Related codes

P0DE0 P0DE1 P0DE2