OBD Guide

C0621

Variable Effort Steering Lock/Safety Actuator Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable steering force
  • The indicator light on the dashboard comes on
  • Steering wheel lock problems

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the steering lock actuator
  • Problems with the steering force control module
  • Poor contact in connectors

How to Fix

  1. Check wiring harness for damage
  2. Check connectors and contacts for oxidation and corrosion
  3. Check the steering lock actuator
  4. Check the steering force control module
  5. Replace faulty components

Related codes

Error C0621 by Vehicle Brand