how to fix a malfunctioning key fob for Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

484 words

Problem Statement

Learn how to diagnose and fix a malfunctioning key fob for Tesla Outback 5th Generation (2015-2019). Step-by-step guide with symptoms and solutions.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electronic components to prevent short circuits.

Symptoms

•Key fob not responding to button presses
•Inconsistent locking/unlocking of doors
•Warning message on the vehicle’s display indicating key fob issue
•Battery indicator light on fob is dim or off
•Vehicle fails to recognize the key fob when attempting to start

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery level of the key fob using a multimeter.
3
Replace the key fob battery if needed and test the fob functionality.
4
Re-sync the key fob with the vehicle using the manufacturer's procedure.
5
Scan the vehicle for any key fob-related error codes using an OBD-II scanner.

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

•Small flathead screwdriver
•Tweezers
•Multimeter

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery level of the key fob using a multimeter.
3
Replace the key fob battery if needed and test the fob functionality.
4
Re-sync the key fob with the vehicle using the manufacturer's procedure.
5
Scan the vehicle for any key fob-related error codes using an OBD-II scanner.

Solution

1. Preparation

Gather the necessary tools and parts.
Ensure the vehicle is parked and turned off.
Disconnect the vehicle battery to prevent any electrical issues during the repair.

2. Replace Key Fob Battery

Open the Key Fob:
- Use a small flathead screwdriver to carefully pry open the key fob casing.
- Take note of the orientation of the battery for reinstallation.
Remove Old Battery:
- Gently lift the old battery out of its compartment using tweezers or your fingers.
Install New Battery:
- Place a new CR2032 battery (or specified battery for the key fob) into the compartment, ensuring the positive (+) side is facing up.
Reassemble Key Fob:
- Align the two halves of the key fob and press them together until they click into place.

3. Re-sync Key Fob

Enter the Vehicle:
- Sit in the driver's seat and close all doors.
Turn on Ignition:
- Insert the key fob into the ignition slot (if applicable) or press the start button without pressing the brake pedal.
Press and Hold Key Fob Button:
- Press and hold the key fob button for about 10 seconds to initiate the syncing process.
Check the Functionality:
- Test the key fob by attempting to lock/unlock the doors and start the engine.