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

GMC Sierra T1XX (2019-Present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

423 words

Problem Statement

Learn how to reset the tire pressure light on your GMC Sierra T1XX (2019-Present). Step-by-step guide with diagnostic steps and solutions.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is parked on a level surface before checking tire pressures.

Symptoms

•Tire pressure warning light is illuminated on the dashboard.
•Incorrect tire pressure readings on the display.
•Low tire pressure alert despite tires being properly inflated.

Diagnostic Steps

1
Verify that all tires, including the spare, are inflated to the manufacturer's recommended pressure.
2
Check for any visible damage or leaks in the tires.
3
Use an OBD-II scanner to check for any TPMS-related fault codes.
4
Inspect the TPMS sensors for proper functioning, ensuring they are not damaged or corroded.
5
Confirm that the vehicle is not in 'service mode' or has not been set for tire rotation without resetting the TPMS.

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
•Tire pressure gauge

Parts Required

•None (if no sensor replacement is needed)

Related Faults

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Diagnostic Steps

1
Verify that all tires, including the spare, are inflated to the manufacturer's recommended pressure.
2
Check for any visible damage or leaks in the tires.
3
Use an OBD-II scanner to check for any TPMS-related fault codes.
4
Inspect the TPMS sensors for proper functioning, ensuring they are not damaged or corroded.
5
Confirm that the vehicle is not in 'service mode' or has not been set for tire rotation without resetting the TPMS.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner (if needed), tire pressure gauge.
Ensure all tires are inflated to the recommended pressure as indicated on the driver’s side door jamb.

2. Resetting the TPMS

Using the Ignition Method:
- Insert the key into the ignition and turn it to the "On" position without starting the engine.
- Press the gas pedal three times within 10 seconds.
- Turn the ignition off.
Using the DIC (Driver Information Center):
- Start the vehicle and navigate to the "Settings" menu using the controls on the steering wheel.
- Select "Vehicle," then "Tire Pressure," and choose "Reset."
- Confirm the reset when prompted.
Using an OBD-II Scanner:
- Connect the OBD-II scanner to the vehicle’s diagnostic port.
- Navigate to the TPMS reset function in the scanner.
- Follow the prompts to complete the reset.

3. Final Check

After resetting, drive the vehicle for a short distance (approximately 10-15 minutes) to allow the TPMS to recalibrate.