P0A0E

High Voltage System Interlock Circuit A Intermittent

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Possible shutdown of the high voltage system
Reduced power or engine failure
Error message on the dashboard
Problems with charging a high-voltage battery

Causes

Damage to interlock circuit wiring
Oxidation or poor contact in connectors
High Voltage Lockout Sensor Malfunction
Wiring harness damage
Problems with the high voltage system control module

How to Fix

Check the integrity of the interlock circuit wiring
Inspect and clean connector contacts
Check the resistance of the lock sensor
Scan the control module for additional errors
Repair only from an authorized dealer (for high-voltage systems)

Related codes

P0A0D P0A0F P0A10