how to reset the maintenance light on my GMC Sierra T1XX (2019-Present)

GMC Sierra T1XX (2019-Present)

Error Codes

5-10 minutes

Time

easy

Difficulty

low

Severity

2 min read

329 words

Problem Statement

Learn how to reset the maintenance light on your GMC Sierra T1XX (2019-Present) with this step-by-step guide. Quick and easy process.

Affected Component

Electrical

Estimated Time

5-10 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure vehicle is in 'Park' or 'Neutral' before performing the reset.

Symptoms

•Maintenance light illuminated on the dashboard
•Reminder notifications for service displayed
•No other performance issues are noted

Diagnostic Steps

1
Ensure the vehicle is in the 'ON' position without starting the engine.
2
Press the gas pedal three times within five seconds.
3
Observe the dashboard for confirmation that the maintenance light has turned off.
4
If the light remains on, repeat the process ensuring all steps are followed accurately.

Solution

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

•None required for the reset process.

Parts Required

•None required for the reset process.

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Solution

1. Preparation

Ensure the vehicle is parked on a flat surface.
Keep the keys in the ignition or have the key fob within the vehicle.

2. Turn Ignition On

Insert the key into the ignition or press the start button without pressing the brake pedal to enter the "ON" position.

3. Press the Accelerator Pedal

Fully press the accelerator pedal down three times within five seconds.
Ensure that the pedal is fully depressed each time for proper recognition.

4. Confirm Reset

Check the dashboard display for the maintenance light to confirm it has been reset.
If the light does not turn off, repeat the procedure to ensure no steps were missed.