OBD Guide

U351F

High Voltage System Interlock Circuit E Low

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • The car may not start
  • Switching to emergency mode
  • Reduced engine power
  • Error message on the dashboard

Causes

  • Open circuit in the locking circuit
  • Poor contact in connectors
  • Lock sensor malfunction
  • Wiring harness damage
  • High Voltage Control Module Problems

How to Fix

  1. Check the integrity of the locking circuit
  2. Inspect and clean all contacts and connectors
  3. Check the functionality of the lock sensor
  4. Scan the control module for errors
  5. Repair only from an authorized dealer

Related codes

Error U351F by Vehicle Brand