U3515

High Voltage System Interlock Circuit C

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–222 (est.)

Symptoms

Check Engine light comes on
High voltage system error message on instrument panel
Engine power limitation
Inability to start the car
The car goes into emergency mode

Causes

Interlock circuit break
Poor contact in connectors
Lock sensor malfunction
Wiring harness damage
Problems with the high voltage system control module

How to Fix

Check the integrity of the locking circuit
Inspect and clean all contacts in the circuit
Check the locking sensors for functionality
Check the condition of the wiring harness
Diagnostics of the high-voltage system control module
Repair only from an authorized dealer

Related codes

U3514 U3516 U3500