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my GMC Sierra T1XX (2019-Present) won't connect to Bluetooth, how do I fix that? - GMC Sierra
Home/Cars/GMC/Sierra/T1XX (2019-Present)/my GMC Sierra T1XX (2019-Present) won't connect to Bluetooth, how do I fix that?

my GMC Sierra T1XX (2019-Present) won't connect to Bluetooth, how do I fix that?

GMC Sierra T1XX (2019-Present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
444 words

Problem Statement

Learn how to troubleshoot and fix Bluetooth connectivity issues in your GMC Sierra T1XX (2019-present). Step-by-step guide with diagnostic steps and solutions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Ensure the vehicle is parked safely while performing these steps.

Symptoms

  • •Bluetooth icon not illuminated on the infotainment display
  • •Device not found when searching for Bluetooth connections
  • •Pairing unsuccessful message displayed
  • •Audio not streaming from connected device
  • •Inconsistent connection drops between vehicle and device

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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

  • •Smartphone
  • •Vehicle manual

Parts Required

  • •None

Additional Information

Affected Component
Electrical
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
2 items
Parts Required
1 item

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Solution
1. Preparation
  • Gather tools such as a smartphone, vehicle manual, and any necessary software updates.
  • Ensure the vehicle is parked safely and the engine is off.
2. Update Infotainment System
  1. Check the vehicle’s current software version by navigating to the settings menu on the infotainment system.
  2. If an update is available, download it from the GMC website or use the MyGMC app.
  3. Follow the instructions provided for updating the software, which may involve connecting a USB drive.
3. Clear Bluetooth History
  1. Access the Bluetooth settings on the infotainment system.
  2. Select “Bluetooth” and navigate to “Paired Devices.”
  3. Remove all devices from the list to reset the Bluetooth connection.
4. Reset Infotainment System
  1. Turn off the vehicle and open the driver's door.
  2. Wait for 5 minutes to allow the system to reset completely.
  3. Close the door and restart the vehicle to turn on the infotainment system.
5. Pair Mobile Device
  1. On the mobile device, go to Bluetooth settings and ensure Bluetooth is enabled.
  2. Search for available devices and select the GMC Sierra from the list.
  3. Confirm the pairing code if prompted on both the device and the infotainment system.