U353F

High Voltage System Interlock Circuit N Low

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Vehicle power limitation
Inability to start the high voltage system
Error message on display

Causes

Open circuit in high voltage blocking circuit
Damage to connectors or wiring
Lock sensor malfunction
Short circuit in the circuit
Problems with the high voltage system control module

How to Fix

Check the integrity of the locking circuit
Inspect connectors and wiring for damage
Test blocking sensors
Check the control module for errors
Repair only from an authorized dealer

Related codes

U353E U3540 U3541