GMC Sierra T1XX (2019-Present) traction control disabled, how to reset

GMC Sierra T1XX (2019-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

481 words

Problem Statement

Learn how to reset the traction control system in your GMC Sierra T1XX (2019-Present). Step-by-step guide with diagnostic steps and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts.
•Allow the engine to cool before inspecting any hot components.

Symptoms

•Traction control light illuminated on the dashboard
•Check engine light may be illuminated
•Vehicle may exhibit reduced traction in slippery conditions
•ABS (Anti-lock Braking System) light may also be on
•Possible loss of stability control features

Diagnostic Steps

1
Verify if there are any stored trouble codes using an OBD-II scanner.
2
Check the status of the traction control system in the vehicle’s settings through the infotainment system.
3
Inspect wheel speed sensors and wiring for damage or disconnections.
4
Examine the brake fluid level and ensure it is within the recommended range.
5
Test the ABS module functionality to ensure it is operational.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Multimeter

Parts Required

•Wheel speed sensor (if damaged)
•Brake fluid (if low)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Verify if there are any stored trouble codes using an OBD-II scanner.
2
Check the status of the traction control system in the vehicle’s settings through the infotainment system.
3
Inspect wheel speed sensors and wiring for damage or disconnections.
4
Examine the brake fluid level and ensure it is within the recommended range.
5
Test the ABS module functionality to ensure it is operational.

Solution

1. Preparation

Gather tools and components.
Ensure the vehicle is parked on a level surface with the engine off.
Tools Required: OBD-II scanner, socket set, multimeter.

2. Clear Trouble Codes

Connect the OBD-II scanner to the vehicle's diagnostic port.
Turn the ignition to the "ON" position without starting the engine.
Navigate to the trouble codes section on the scanner and select "Clear Codes."
Confirm that you want to erase the codes and wait for the process to complete.

3. Reset Traction Control System

Start the vehicle and let it idle for a few minutes.
Press the traction control button (usually located on the dashboard or center console) to toggle the system off and then back on.
Monitor the instrument cluster for any warning lights to ensure the traction control light extinguishes.

4. Inspect Components

If the traction control light remains illuminated, proceed to inspect wheel speed sensors.
Remove the wheel on the affected side using a socket set.
Check the wiring and connectors for any signs of wear or damage.
If necessary, clean the wheel speed sensor with electrical cleaner and reattach it securely.