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

GMC Sierra T1XX (2019-Present)

10-15 minutes

Time

easy

Difficulty

low

Severity

2 min read

398 words

Problem Statement

Learn how to reset the service light on GMC Sierra T1XX (2019-Present) with step-by-step instructions and diagnostic tips for maintenance.

Affected Component

Electrical

Estimated Time

10-15 minutes

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and on a flat surface before resetting the service light.

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

To prevent this issue from occurring again:

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Solution

1. Preparation

Ensure the vehicle is parked on a level surface and in the "Run" position (engine off, key in the "Run" position).
Gather necessary tools: OBD-II scanner (if needed).

2. Reset the Service Light

Using the Vehicle's Menu:
- Turn the ignition to the "On" position without starting the engine.
- Use the steering wheel controls to navigate to the "Settings" menu on the dashboard display.
- Select "Vehicle" or "Maintenance."
- Choose the "Oil Life Reset" or "Service Reminder Reset" option.
- Confirm the reset when prompted.
Using OBD-II Scanner (if necessary):
- Plug the OBD-II scanner into the vehicle's diagnostic port, typically located under the dashboard near the driver’s seat.
- Turn the ignition to the "On" position.
- Follow the scanner prompts to navigate to the "Service Light Reset" option.
- Select the appropriate option to reset the service light.

3. Verify Reset