P0EF0

Battery Charger Coupler Unlock Disabled - High Voltage Present

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Can't disconnect charging cable
The warning light on the instrument panel comes on
Battery charging is interrupted
Reduced vehicle power
Error message on display

Causes

Malfunction of the high-voltage battery management system
Charger problems
Defective connector locking mechanism
Damage to high voltage cables
Software errors

How to Fix

High Voltage System Diagnostics
Checking the operation of the connector locking mechanism
Charger testing
Checking the integrity of high-voltage circuits
Software update if necessary

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