P2DBA

Battery Charging System B High Voltage Interlock Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Reduced battery charging efficiency
Engine power limitation
High voltage system fault warning
The car may go into emergency mode

Causes

Damage to high voltage wiring
Charging control unit malfunction
Problems with high voltage battery
Short circuit in interlock circuit
High voltage relay fault

How to Fix

Carry out diagnostics of the high-voltage system
Check the integrity of wiring and connectors
Test the operation of the charging control unit
Check the condition of the high-voltage battery
Replace damaged components
Repair only from an authorized dealer

Related codes

P2DB9 P2DBB P2DBC