how to replace the battery in GMC Sierra T1XX (2019-Present) key fob

GMC Sierra T1XX (2019-Present)

Error Codes

15-30 minutes

Time

easy

Difficulty

low

Severity

3 min read

486 words

Problem Statement

Learn how to replace the battery in your GMC Sierra T1XX key fob (2019-Present). Step-by-step guide with tools required and safety tips.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Handle the key fob gently to avoid damaging internal components.

Symptoms

•Key fob not responding when buttons are pressed
•Range of the key fob is significantly reduced
•Warning message on the dashboard indicating low key fob battery
•Difficulty locking/unlocking doors remotely
•Engine start feature not activating with key fob

Diagnostic Steps

1
Confirm that the key fob is the issue by attempting to start the vehicle with a spare key fob if available.
2
Check for physical damage on the key fob that might affect its functionality.
3
Inspect the battery compartment for any corrosion or debris that could interfere with the battery connection.

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

•Small flathead screwdriver
•Coin (for prying)
•New CR2032 battery

Parts Required

•CR2032 battery

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Solution

1. Preparation

Tools Required: Small flathead screwdriver, coin (for prying), new CR2032 battery.
Ensure the vehicle is turned off and the key fob is in a safe workspace.

2. Open the Key Fob

Locate the seam on the key fob where the two halves meet.
Use the small flathead screwdriver or a coin to gently pry apart the two halves of the key fob. Start at one end and work around the seam to avoid damaging the casing.

3. Remove the Old Battery

Once the key fob is opened, locate the battery compartment.
Note the orientation of the old battery (positive side facing up).
Carefully remove the old CR2032 battery using your fingers or the screwdriver if necessary.

4. Install the New Battery

Insert the new CR2032 battery into the compartment, ensuring the positive side is facing the same direction as the old battery.
Press down gently until the battery is seated securely in place.

5. Reassemble the Key Fob

Align the two halves of the key fob and press them together until they click into place.
Ensure there are no gaps between the two halves indicating a proper seal.

6. Test the Key Fob

Stand a few feet away from the vehicle and press any button on the key fob to check if it responds and functions correctly.