U3516

High Voltage System Interlock Circuit C Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Malfunction indicator light (MIL) is on
Error message on the dashboard
Inability to start the high voltage system
High voltage system power limitation
Inability to charge high voltage battery

Causes

Lock sensor malfunction
Open or short circuit in interlock circuit wiring
Malfunction of the high-voltage system control unit
Problems with interlock circuit connectors
Damage to high voltage components

How to Fix

Check interlock circuit wiring and connectors for damage
Checking the Lock Sensor to Specifications
Checking the high voltage system control unit
Replacing faulty interlock circuit components
Resetting error codes and retesting the system

Related codes

U3515 U3517 U3518