AutoCodes – GMC – C0242 2014 GMC Sierra

C0242 2014 GMC Sierra Code - Engine Control Module Indicated Traction Control Malfunction

Quick Answer

The Electronic Brake Control Module (EBCM) and the Engine Control Module (ECM) simultaneously control the traction control. Common causes include Faulty Electronic Brake Control Module (EBCM), EBCM Harness is open or shorted, EBCM 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: C0242 2014 GMC Sierra indicates Engine Control Module Indicated Traction Control Malfunction.
Common causes: Common causes include Faulty Electronic Brake Control Module (EBCM), EBCM Harness is open or shorted, EBCM 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 424

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 Jun 28, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0242 2014 GMC Sierra Description

The Electronic Brake Control Module (EBCM) and the Engine Control Module (ECM) simultaneously control the traction control. The Electronic Brake Control Module sends a serial data message to the Engine Control Module requesting torque reduction. When certain Engine Control Module DTCs are set, the Engine Control Module will not be able to perform the torque reduction for traction control. A serial data message is sent to the Electronic Brake Control Module indicating that traction control is not allowed. The Diagnostic Trouble Code (DTC) engine control module detects a fault that prevents it from performing a traction control function and sends a serial data message to the electronic brake control module indicating that torque reduction is not allowed.

OBDII Code C0242 2014 GMC Sierra - Engine Control Module Indicated Traction Control Malfunction - AutoCodes.com — C0242 2014 GMC Sierra Code - Engine Control Module Indicated Traction Control Malfunction

What does this mean?

What are the Possible Causes of the DTC C0242 2014 GMC Sierra?

Faulty Electronic Brake Control Module (EBCM)
EBCM Harness is open or shorted
EBCM Circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC C0242 2014 GMC Sierra?

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 C0242 2014 GMC Sierra 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 C0242 2014 GMC Sierra 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 C0242 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code C0242 in a 2014 GMC Sierra?

- Common symptoms include the traction control light being illuminated on the dashboard, possible loss of traction control functionality, and potential stability control issues.

2. What does the OBDII code C0242 indicate in a 2014 GMC Sierra?

- This code indicates that the Engine Control Module has detected a malfunction in the traction control system.

3. What are some possible causes of OBDII code C0242 in a 2014 GMC Sierra?

- Possible causes may include faulty wheel speed sensors, damaged wiring or connectors in the traction control system, or a malfunctioning traction control module.

4. How can I diagnose the cause of OBDII code C0242 in my 2014 GMC Sierra?

- Diagnosing this code usually involves using a diagnostic scanner to retrieve the specific fault codes stored in the system, inspecting the traction control components for any visible damage, and conducting tests on the wheel speed sensors.

5. Can I continue driving my 2014 GMC Sierra with OBDII code C0242 present?

- It is not recommended to continue driving with this code present, as it may affect the vehicle's traction control system and compromise overall safety.

6. How can I repair OBDII code C0242 in my 2014 GMC Sierra?

- Repairing this code typically involves addressing the root cause of the malfunction, such as replacing faulty wheel speed sensors, repairing damaged wiring, or reprogramming the traction control module.

7. Will resetting the trouble codes make OBDII code C0242 disappear in my 2014 GMC Sierra?

- Resetting the trouble codes may temporarily clear the code, but if the underlying issue causing the malfunction is not addressed, the code is likely to reappear.

8. Is it safe to ignore OBDII code C0242 in my 2014 GMC Sierra?

- Ignoring this code is not recommended, as it can lead to potential safety hazards due to impaired traction control functionality.

9. Can extreme weather conditions trigger OBDII code C0242 in a 2014 GMC Sierra?

- Extreme weather conditions, such as heavy rain or snow, can potentially exacerbate existing issues in the traction control system and trigger this code.

10. How much does it typically cost to repair OBDII code C0242 in a 2014 GMC Sierra?

- The cost of repairing this code can vary depending on the specific cause of the malfunction, but it may range from a few hundred to over a thousand dollars, including parts and labor.