P0C30

Hybrid/EV Battery Pack State of Charge High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Hybrid system power reduction
Reducing electric range
Warning messages on the instrument panel
Forced transition to internal combustion engines
Charging speed limit

Causes

Charge control system malfunction
Problems with battery voltage/temperature sensors
Regenerative braking malfunctions
Battery cell degradation
BMS Software Errors

How to Fix

High Voltage System Diagnostics
Checking SOC and Temperature Sensors
BMS (Battery Management System) data analysis
Charge Management System Calibration
BMS module software update

Related codes

P0C31 P0C32 P0C29