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

GMC Sierra T1XX (2019-Present)

Error Codes

10-15 minutes

Time

easy

Difficulty

low

Severity

2 min read

396 words

Problem Statement

Learn how to reset the service light on GMC Sierra T1XX (2019-Present). Step-by-step guide to clear maintenance reminders effectively.

Affected Component

Electrical

Estimated Time

10-15 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' or 'Neutral' before starting the procedure to prevent unintended movement.

Symptoms

•Service light illuminated on the dashboard
•Maintenance reminder message displayed
•Engine light may also be on if service is overdue

Diagnostic Steps

1
Ensure the vehicle is in the 'ON' position without starting the engine.
2
Use the steering wheel controls to navigate to the vehicle settings on the Driver Information Center (DIC).
3
Select 'Settings' and navigate to 'Vehicle'.
4
Look for 'Oil Life' or 'Maintenance'.
5
Confirm the reset option and follow prompts to reset the oil life/service light.

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 this procedure.

Parts Required

•None required for this procedure.

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Diagnostic Steps

1
Ensure the vehicle is in the 'ON' position without starting the engine.
2
Use the steering wheel controls to navigate to the vehicle settings on the Driver Information Center (DIC).
3
Select 'Settings' and navigate to 'Vehicle'.
4
Look for 'Oil Life' or 'Maintenance'.
5
Confirm the reset option and follow prompts to reset the oil life/service light.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface.
Have the key fob handy to access the vehicle settings.

2. Turn On Ignition

Insert the key into the ignition and turn it to the "ON" position without starting the engine.
Alternatively, press the "Start" button without pressing the brake pedal for push-button start vehicles.

3. Navigate to Settings

Use the buttons on the steering wheel to scroll through the menu on the Driver Information Center (DIC).
Select “Settings” by pressing the "Checkmark" button.

Navigate to “Vehicle” settings within the menu.
Look for the “Oil Life” option or “Maintenance” section.

5. Reset the Service Light

Once in the Oil Life or Maintenance section, select the reset option.
Confirm the reset when prompted by selecting “Yes” or pressing the "Checkmark" button.

6. Verify Reset

Exit the menu and check if the service light is no longer illuminated.