OBD Guide

C0620

Variable Effort Steering Lock/Safety Actuator Control Circuit/Open

C0620 is an OBD-II diagnostic trouble code meaning: Variable Effort Steering Lock/Safety Actuator Control Circuit/Open. Common causes: open or damaged control circuit wiring harness, malfunction of the solenoid valve (solenoid). Estimated repair cost: $56–167.

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

Symptoms

  • Inability to lock steering
  • The malfunction indicator on the dashboard is on
  • Problems with the car's security system

Causes

  • Open or damaged control circuit wiring harness
  • Malfunction of the solenoid valve (solenoid)
  • Problems with the steering control unit
  • Short circuit in the circuit

How to Fix

  1. Check the wiring harness for breaks or damage
  2. Check the resistance and functionality of the solenoid valve
  3. Check the steering control unit for errors
  4. Replace damaged components if necessary

Related codes

Error C0620 by Vehicle Brand

FAQ

What does the C0620 code mean?

C0620 is an OBD-II diagnostic trouble code that indicates: Variable Effort Steering Lock/Safety Actuator Control Circuit/Open

What causes a C0620 error code?

The most common causes of C0620 include: Open or damaged control circuit wiring harness; Malfunction of the solenoid valve (solenoid); Problems with the steering control unit; Short circuit in the circuit.

How do I fix a C0620 diagnostic trouble code?

To fix C0620: Check the wiring harness for breaks or damage. Check the resistance and functionality of the solenoid valve. Check the steering control unit for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0620?

Limited driving only, diagnose soon

How much does it cost to fix C0620?

The estimated repair cost for C0620 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat