OBD Guide

C044A

Steering System Engine Speed Signal Circuit Invalid Data

C044A is an OBD-II diagnostic trouble code meaning: Steering System Engine Speed Signal Circuit Invalid Data. Common causes: wiring harness damage, engine speed sensor malfunction. 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
  • Check engine light comes on
  • Handling problems at low speeds

Causes

  • Wiring harness damage
  • Engine speed sensor malfunction
  • Problems with the steering control unit
  • Contact corrosion

How to Fix

  1. Check wiring harness for damage
  2. Check engine speed sensor
  3. Check connections and contacts
  4. Scan the steering control module for errors

Related codes

Error C044A by Vehicle Brand

FAQ

What does the C044A code mean?

C044A is an OBD-II diagnostic trouble code that indicates: Steering System Engine Speed Signal Circuit Invalid Data

What causes a C044A error code?

The most common causes of C044A include: Wiring harness damage; Engine speed sensor malfunction; Problems with the steering control unit; Contact corrosion.

How do I fix a C044A diagnostic trouble code?

To fix C044A: Check wiring harness for damage. Check engine speed sensor. Check connections and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C044A?

Limited driving only, diagnose soon

How much does it cost to fix C044A?

The estimated repair cost for C044A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat