P0DAA

Battery Charging System Isolation Fault

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Warning message on dashboard
Vehicle power limitation
Inability to charge high voltage battery
The car goes into emergency mode
The check engine light may come on

Causes

Damage to the insulation of high-voltage cables
Charger fault
Problems with high voltage battery
Damage to charging system components
Short circuit in charging circuit

How to Fix

Conduct diagnostics of the charging system using special equipment
Check the integrity of the insulation of high-voltage cables
Test the charger and related components
Check the condition of the high-voltage battery
Replace damaged system components
Repair only from an authorized dealer

Related codes

P0DAB P0DAC P0DAD