P0A7D

Hybrid/EV Battery Pack State of Charge Low

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–1667 (est.)

Symptoms

Reduced vehicle power
Warning messages on the dashboard
Speed or acceleration limit
Problems starting the engine
The car goes into emergency mode

Causes

Faulty charger or charging system
Degradation of high-voltage battery cells
Problems with balancing battery cells
Leakage current in a high voltage system
Battery management system (BMS) malfunction

How to Fix

Check the condition of the high-voltage battery using diagnostic equipment
Test the car charging system
Check battery cell balancing
Diagnose the Battery Management System (BMS)
If necessary, replace faulty battery cells or the entire battery

Related codes

P0A7E P0A7F P0A80