how to fix a dead battery in the key fob for my Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

15-30 minutes

Time

easy

Difficulty

low

Severity

3 min read

525 words

Problem Statement

Learn how to fix a dead key fob battery for your Tesla Outback (2015-2019). Step-by-step guide with diagnostic steps and battery replacement instructions.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Avoid using metal tools that could damage the electronic components inside the key fob.

Symptoms

•Key fob does not unlock or lock the vehicle
•Key fob buttons do not respond
•Indicator light on the key fob does not illuminate
•Proximity entry feature does not work
•Warning message on the vehicle's display about key fob battery

Diagnostic Steps

1
Inspect the key fob for physical damage or signs of wear.
2
Check the vehicle's user manual for specific battery replacement instructions for the key fob.
3
Test the key fob's functionality close to the vehicle to rule out distance issues.
4
Attempt to start the vehicle using the physical key blade (if available) to confirm the fob's battery issue.
5
Use a multimeter to measure the voltage of the key fob battery (if accessible).

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 key fob opening tool
•Non-metallic prying tool
•New CR2032 battery

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Inspect the key fob for physical damage or signs of wear.
2
Check the vehicle's user manual for specific battery replacement instructions for the key fob.
3
Test the key fob's functionality close to the vehicle to rule out distance issues.
4
Attempt to start the vehicle using the physical key blade (if available) to confirm the fob's battery issue.
5
Use a multimeter to measure the voltage of the key fob battery (if accessible).

Solution

1. Preparation

Gather necessary tools and new battery.
Ensure you have a clean workspace.
Wear gloves to avoid contamination.

2. Open the Key Fob

Sub-step 1: Locate the seam on the key fob.
Sub-step 2: Use a flathead screwdriver or a key fob opening tool to carefully pry apart the two halves of the key fob.
Sub-step 3: Take care not to damage any internal components during this process.

3. Remove the Old Battery

Sub-step 1: Identify the battery type (usually a CR2032 for many key fobs).
Sub-step 2: Note the orientation of the battery (positive side facing up).
Sub-step 3: Gently lift the battery out of its compartment using a non-metallic tool to avoid shorting.

4. Install the New Battery

Sub-step 1: Insert the new battery into the compartment, ensuring it matches the original orientation.
Sub-step 2: Press down gently until the battery is secured in place.

5. Reassemble the Key Fob

Sub-step 1: Align the two halves of the key fob.
Sub-step 2: Press them together until they snap back into place.
Sub-step 3: Ensure the fob does not have any gaps indicating incomplete closure.

6. Test the Key Fob

Sub-step 1: Stand within close proximity to the vehicle.
Sub-step 2: Press the lock and unlock buttons to verify functionality.
Sub-step 3: Ensure that the proximity entry feature works correctly.