U3534

High Voltage System Interlock Circuit K High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Disabling the High Voltage System
Inability to start the engine
Alerts appearing on the dashboard

Causes

Open or short circuit in the interlock circuit
Lock sensor malfunction
Problems with the control module
Wiring harness damage
Contact corrosion

How to Fix

Check the integrity of the locking circuit
Test the lock sensor
Inspect the wiring harness for damage
Check contacts for corrosion
Repair only from an authorized dealer

Related codes

U3533 U3535 U3536