how to fix the key fob not working on Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

489 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

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

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is off before working on the key fob to prevent accidental activation.
•Be cautious while handling small components to avoid losing them.

Symptoms

•Key fob buttons do not respond
•Vehicle does not recognize key fob when attempting to unlock
•Check key fob battery warning displayed on vehicle screen
•Inability to start the vehicle
•Key fob LED indicator does not light up when buttons are pressed

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery status of the key fob using a multimeter.
3
Replace the key fob battery and test for functionality.
4
Attempt to re-sync the key fob with the vehicle.
5
Scan the vehicle’s systems for any 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 screwdriver
•Multimeter
•OBD-II scanner

Parts Required

•CR2032 battery

Related Faults

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Solution

1. Preparation

Gather necessary tools: small screwdriver, multimeter, OBD-II scanner.
Ensure the vehicle is parked and turned off.

2. Inspect Key Fob

Use a small screwdriver to open the key fob casing.
Examine for any visible damage or corrosion on the circuit board.
If damaged, consider replacing the entire key fob.

3. Replace the Key Fob Battery

Remove the old battery by gently prying it out of the holder.
Install a new battery (CR2032 or as specified in the owner’s manual).
- Ensure the positive (+) side of the battery is facing up.
Reassemble the key fob casing securely.

4. Re-sync the Key Fob

With the vehicle off, sit in the driver's seat with the new key fob.
Insert the key fob into the key slot (if applicable) or simply hold it against the start button.
Press the brake pedal and push the start button to turn on the vehicle.
The vehicle should recognize the key fob. If not, consult the owner's manual for specific re-sync instructions.

5. Test Functionality

Test each button on the key fob to ensure they are functioning correctly.
Lock and unlock the vehicle and check for engine start.