P0DB5

Hybrid/EV Battery Cell Balancing Circuit C Stuck On

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric vehicle range
Extending battery charging time
Check Engine Light Illuminated
The car goes into emergency mode
Uneven heating of the battery pack

Causes

Faulty balancing resistor in circuit C
Open or short circuit in the balancing circuit
Problems with connectors or wiring harness
Battery control unit software error
Physical damage to the battery module

How to Fix

Diagnosis of high-voltage battery condition
Checking the continuity of the circuit C balancing circuit
Testing balancing resistors
Control unit software update
Replacing a faulty battery module if necessary

Related codes

P0DB6 P0DB4 P0DB7