P0DE1

Hybrid/EV Battery Cell Balancing Circuit N Stuck On

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced electric vehicle range
Increased charging time
Warning messages on the dashboard
Hybrid system power reduction
Battery compartment overheating

Causes

Battery management module (BMS) malfunction
Sticking balancing relays
Damage to balancing resistors
Short circuit in balancing circuit
Battery harness problems

How to Fix

Battery Management Module Diagnostics
Checking balancing circuits and relays
Testing the resistance of balancing resistors
Checking the integrity of the wiring harness
Replacing faulty balancing system components

Related codes

P0DE0 P0DE2 P0A80