AutoCodes – GMC – C044A GMC

C044A GMC Code - Steering System Engine Speed Signal Circuit Invalid Data

Quick Answer

The power steering control module receives the engine speed signal from the engine control module. Common causes include Faulty Power Steering Control Module, Power Steering Control Module harness is open or shorted, Power Steering Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C044A GMC indicates Steering System Engine Speed Signal Circuit Invalid Data.
Common causes: Common causes include Faulty Power Steering Control Module, Power Steering Control Module harness is open or shorted, Power Steering Control Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,130

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C044A GMC Description

The power steering control module receives the engine speed signal from the engine control module.

OBDII Code C044A GMC - Steering System Engine Speed Signal Circuit Invalid Data - AutoCodes.com — C044A GMC Code - Steering System Engine Speed Signal Circuit Invalid Data

What does this mean?

What are the Possible Causes of the DTC C044A GMC?

Faulty Power Steering Control Module
Power Steering Control Module harness is open or shorted
Power Steering Control Module circuit poor electrical connection

How to Fix the DTC C044A GMC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C044A GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C044A GMC code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C044A GMC Code

1. What are common symptoms of OBDII code C044A in a GMC vehicle?

- Common symptoms include erratic engine speed readings on the instrument cluster, loss of power steering assistance, and potential stalling of the vehicle.

2. What could cause the OBDII code C044A related to the Steering System Engine Speed Signal Circuit Invalid Data in a GMC?

- Possible causes include a faulty engine speed sensor, damaged wiring or connectors in the steering system circuit, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the Steering System Engine Speed Signal Circuit issue in my GMC?

- You can diagnose this issue by using an OBDII scanner to retrieve the specific trouble code (C044A), inspecting the wiring and connectors for any damage, and testing the engine speed sensor for proper functionality.

4. Can I still drive my GMC with the C044A OBDII code present?

- It is not recommended to drive your GMC with the C044A code as it can lead to potential safety hazards due to loss of power steering assistance or engine stalling.

5. What are some repair tips for fixing the Steering System Engine Speed Signal Circuit issue in a GMC?

- Repair tips include checking and repairing any damaged wiring or connectors, replacing the faulty engine speed sensor, and resetting the trouble code using an OBDII scanner after the repairs are completed.

6. Is it necessary to visit a mechanic for resolving the C044A OBDII code in my GMC?

- While some DIY enthusiasts may be able to address the issue themselves, it is recommended to consult a professional mechanic for a thorough diagnosis and repair of the Steering System Engine Speed Signal Circuit problem.

7. Can a low battery voltage cause the C044A code to appear in a GMC?

- Yes, low battery voltage can potentially trigger the C044A code due to inadequate power supply affecting the proper functioning of the engine speed sensor and other components in the steering system circuit.

8. Will resetting the trouble code make the C044A issue disappear permanently in my GMC?

- Resetting the trouble code may temporarily clear the C044A issue, but if the underlying problem such as a faulty sensor or damaged wiring is not addressed, the code is likely to reappear.

9. How long does it typically take to repair the Steering System Engine Speed Signal Circuit problem in a GMC?

- The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a day for a mechanic to diagnose, replace components, and reset the trouble code associated with C044A.

10. Is the Steering System Engine Speed Signal Circuit issue covered under any warranty for GMC vehicles?

- Depending on the warranty status of your GMC vehicle, the repair for the C044A code related to the Steering System Engine Speed Signal Circuit may be covered under the manufacturer's warranty or an extended warranty plan.