P0DD4

Hybrid/EV Battery Cell Balancing Circuit K

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric vehicle range
Vehicle power limitation
Check Engine Light Illuminated
Uneven charge of battery cells
Reduced efficiency of regenerative braking

Causes

Balancing module malfunction
Balancing circuit wiring problems
Failure of individual battery cells
Battery control unit malfunction
Corrosion of contacts in the balancing circuit

How to Fix

Diagnostics of battery cell condition
Checking the integrity of the balancing circuit wiring
Testing the balancing module
Replacing faulty circuit components
Repair only from an authorized dealer

Related codes

P0DD1 P0DD2 P0DD3