OBD Guide

C0628

Variable Effort Steering Module Performance

C0628 is an OBD-II diagnostic trouble code meaning: Variable Effort Steering Module Performance. Common causes: steering force control module malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable steering force
  • Increased effort when turning the steering wheel
  • Check engine light is on
  • Loss of adaptive steering force

Causes

  • Steering force control module malfunction
  • Open or short circuit in wiring harness
  • Problems with speed or steering angle sensors
  • Low voltage in the vehicle electrical network

How to Fix

  1. Check the voltage and integrity of the module wiring harness
  2. Scan the steering system for other errors
  3. Check the operation of the speed and steering angle sensors
  4. Replace steering assist control module if necessary

Related codes

Error C0628 by Vehicle Brand

FAQ

What does the C0628 code mean?

C0628 is an OBD-II diagnostic trouble code that indicates: Variable Effort Steering Module Performance

What causes a C0628 error code?

The most common causes of C0628 include: Steering force control module malfunction; Open or short circuit in wiring harness; Problems with speed or steering angle sensors; Low voltage in the vehicle electrical network.

How do I fix a C0628 diagnostic trouble code?

To fix C0628: Check the voltage and integrity of the module wiring harness. Scan the steering system for other errors. Check the operation of the speed and steering angle sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0628?

Limited driving only, diagnose soon

How much does it cost to fix C0628?

The estimated repair cost for C0628 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat