how to troubleshoot tire pressure monitoring system (TPMS) error on GMC Sierra T1XX

GMC Sierra T1XX (2019-Present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

4 min read

603 words

Problem Statement

Learn how to troubleshoot and fix TPMS errors on GMC Sierra T1XX. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always wear safety goggles and gloves when working with tires and wheels.
•Ensure the vehicle is securely lifted when removing tires.

Symptoms

•TPMS warning light illuminated on the dashboard
•Inaccurate tire pressure readings displayed
•Frequent loss of pressure in one or more tires
•Vehicle may exhibit uneven tire wear
•Warning message indicating 'Service Tire Monitor System'

Diagnostic Steps

1
Scan the vehicle for TPMS error codes using an OBD-II scanner.
2
Check the tire pressures of all tires, including the spare, to ensure they are within the manufacturer's specified range.
3
Inspect the TPMS sensors in each wheel for physical damage or corrosion.
4
Verify that the TPMS system is properly calibrated and has not been reset inadvertently.
5
Test the battery voltage of the TPMS sensors, which may require removal of the sensors from the tires.
6
Check for any wiring or connector issues related to the TPMS system, especially at the receiver module.

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
•Tire changer
•TPMS reset tool
•Basic hand tools (socket set, wrench set)

Parts Required

•TPMS sensors (if damaged)
•Valve stems (if required)
•Tire sealant (if needed)

Related Faults

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Diagnostic Steps

1
Scan the vehicle for TPMS error codes using an OBD-II scanner.
2
Check the tire pressures of all tires, including the spare, to ensure they are within the manufacturer's specified range.
3
Inspect the TPMS sensors in each wheel for physical damage or corrosion.
4
Verify that the TPMS system is properly calibrated and has not been reset inadvertently.
5
Test the battery voltage of the TPMS sensors, which may require removal of the sensors from the tires.
6
Check for any wiring or connector issues related to the TPMS system, especially at the receiver module.

Solution

1. Preparation

Gather necessary tools and equipment.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal to prevent any electrical shorts.

2. Tire Pressure Check

Use a tire pressure gauge to measure the pressure in each tire, including the spare.
Inflate or deflate tires as necessary to match the recommended pressure specified in the owner's manual.

3. Inspect TPMS Sensors

Remove the tire from the wheel using a tire changer if necessary.
Carefully detach the TPMS sensor from the tire valve stem.
Inspect the sensor for any physical damage, corrosion, or battery deterioration.
If damaged, replace the sensor with a new one.

4. Recalibrate the TPMS

With the ignition in the "ON" position (engine not running), use the TPMS reset tool or follow the manufacturer's procedure to recalibrate the system.
This may involve pressing the TPMS reset button located under the steering wheel or in the glove compartment.

5. Verify Wiring and Connections

Inspect the wiring harness connected to the TPMS receiver module for any signs of wear or damage.
Check connectors for corrosion or loose connections.
Repair or replace any damaged wiring or connectors as necessary.

6. Reinstall Components

Reattach the TPMS sensor to the tire valve stem and remount the tire.
Ensure the tire is balanced and properly seated on the rim.

7. Reconnect Battery

Reconnect the negative battery terminal and ensure it is tight.