how to fix GMC Sierra T1XX (2019-Present) key fob battery replacement

GMC Sierra T1XX (2019-Present)

Error Codes

15-30 minutes

Time

easy

Difficulty

low

Severity

3 min read

470 words

Problem Statement

Step-by-step guide to replace the key fob battery for GMC Sierra T1XX (2019-Present). Learn symptoms, diagnostic steps, and tools required.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Handle the key fob components carefully to avoid damage.
•Dispose of batteries in accordance with local regulations.

Symptoms

•Key fob not unlocking/locking doors
•Check engine light illuminated (on some models)
•Low battery warning on dashboard (if applicable)
•Range of key fob significantly reduced
•Button presses produce no response

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Test the key fob's battery voltage using a multimeter.
3
Confirm the issue by trying a spare key fob if available.
4
Check vehicle battery voltage to ensure it is sufficient.
5
Verify that there are no other electronic malfunctions in the vehicle.

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

•Flathead screwdriver or coin
•Plastic pry tool (optional)
•Multimeter

Parts Required

•CR2032 battery (replacement)

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Solution

1. Preparation

Gather necessary tools and parts.
Ensure you have a replacement battery (CR2032).
Work in a clean, well-lit area to avoid losing small components.

2. Open the Key Fob

Sub-steps:
1. Locate the small notch on the side of the key fob.
2. Use a flathead screwdriver or a small coin to gently pry apart the two halves of the fob.
3. Be cautious to avoid damaging the plastic casing.

3. Remove the Old Battery

Sub-steps:
1. Identify the positive (+) and negative (-) sides of the battery.
2. Carefully lift the old battery out of its compartment using a plastic tool or your fingers.
3. Dispose of the old battery properly.

4. Install the New Battery

Sub-steps:
1. Insert the new CR2032 battery into the compartment with the positive side facing up.
2. Ensure the battery is seated firmly in place.

5. Reassemble the Key Fob

Sub-steps:
1. Align the two halves of the key fob.
2. Press them together until you hear a click, indicating they are securely closed.
3. Test the key fob by pressing the buttons to ensure proper function.