C0242 2017 GMC Sierra Code - Engine Control Module Indicated Traction Control Malfunction
Quick Answer
The C0242 code on a 2017 GMC Sierra indicates that the Engine Control Module (ECM) has detected a malfunction in the vehicle's traction control system. Common causes include Faulty wheel speed sensors, Malfunctioning steering angle sensor, Damaged wiring or connectors in the traction control system. 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 2017 GMC Sierra indicates Engine Control Module Indicated Traction Control Malfunction.
- Common causes
- Common causes include Faulty wheel speed sensors, Malfunctioning steering angle sensor, Damaged wiring or connectors in the traction control system.
- 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 C0242 2017 GMC Sierra Description
The C0242 code on a 2017 GMC Sierra indicates that the Engine Control Module (ECM) has detected a malfunction in the vehicle's traction control system. The traction control system is responsible for helping the vehicle maintain traction and stability on slippery or uneven road surfaces by adjusting the power sent to each wheel. When this system malfunctions, it can have a significant impact on the vehicle's performance and safety.
Common Causes of C0242 2017 GMC Sierra
- Faulty wheel speed sensors
- Malfunctioning steering angle sensor
- Damaged wiring or connectors in the traction control system
- ECM software or hardware issues
- Faulty ABS module
Symptoms of C0242 2017 GMC Sierra
- Traction control warning light illuminated on the dashboard
- Reduced traction and stability while driving
- Vehicle skidding or slipping on slippery surfaces
- Loss of control during acceleration or braking
How to Fix C0242 2017 GMC Sierra
- Diagnose the specific cause of the traction control malfunction using a diagnostic scanner
- Inspect and test wheel speed sensors, steering angle sensor, and wiring connections for faults
- Replace any faulty sensors or components in the traction control system
- Update ECM software to the latest version, if necessary
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue is resolved
Cost to Fix C0242 2017 GMC Sierra
The cost of repairing a traction control malfunction on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. It is advisable to check with local auto repair shops for a more precise estimate based on your location and vehicle specifications. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more affordable pricing.
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Frequently Asked Questions about C0242 2017 GMC Sierra Code
1. What does the OBDII code C0242 mean on a 2017 GMC Sierra?
The code C0242 indicates that the Engine Control Module (ECM) has detected a malfunction related to the traction control system.
2. What are the common symptoms of code C0242 in a 2017 GMC Sierra?
Common symptoms include the traction control light being illuminated, reduced engine power, ABS light activation, and possible stability control deactivation.
3. What causes the C0242 code on a 2017 GMC Sierra?
Potential causes include faulty communication between the ECM and the Electronic Brake Control Module (EBCM), wiring issues, a damaged EBCM, or a malfunctioning ECM.
4. Can a faulty wheel speed sensor trigger the C0242 code?
No, a faulty wheel speed sensor typically triggers other ABS-related codes, but C0242 is specific to communication or ECM/EBCM issues.
5. How can I diagnose the C0242 code on my 2017 GMC Sierra?
Start by scanning for any related codes, inspecting the wiring and connections between the ECM and EBCM, and testing the modules for proper functionality.
6. Can I drive my 2017 GMC Sierra with the C0242 code?
While the vehicle may still be drivable, traction control and stability features may be compromised, posing a safety risk, especially in slippery conditions.
7. How much does it cost to fix the C0242 code on a 2017 GMC Sierra?
Repair costs vary but may range from $150 to $1,000 depending on whether the issue is a wiring repair, module reprogramming, or replacement of a faulty ECM or EBCM.
8. How do I reset the C0242 code after repairs?
Use an OBDII scanner to clear the code, but ensure the underlying issue has been resolved to prevent the code from returning.
9. Can a software update fix the C0242 code on a 2017 GMC Sierra?
In some cases, a software update for the ECM or EBCM can resolve communication issues causing the code.
10. Should I take my 2017 GMC Sierra to a professional for the C0242 code?
If you're not experienced with diagnosing and repairing complex electrical systems, it's recommended to consult a qualified mechanic for proper diagnosis and repair.
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