Volkswagen Golf Seventh Generation (2013-2020) key fob not working how to reprogram

Volkswagen Golf Eighth Generation (2020-present)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

523 words

Problem Statement

Learn how to reprogram the key fob for your Volkswagen Golf (2013-2020). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a secure location while performing these procedures.

Symptoms

•Key fob buttons not responding
•Inability to unlock or lock the vehicle remotely
•Engine not starting with the key fob present
•Dashboard warning light indicating a key fob issue
•Key fob battery is new but still not functioning

Diagnostic Steps

1
Check the key fob battery to ensure it is properly installed and functional.
2
Verify that the vehicle's interior and exterior lights are working to rule out a battery issue.
3
Attempt to manually unlock the vehicle with the physical key to ensure the lock mechanism is functioning.
4
Use an OBD-II scanner to check for any related fault codes that could indicate a keyless entry system problem.
5
Confirm that the vehicle’s central locking system is operational without the key fob.

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

•OBD-II scanner
•New key fob battery
•Flathead screwdriver

Parts Required

•CR2032 key fob battery

Related Faults

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Diagnostic Steps

1
Check the key fob battery to ensure it is properly installed and functional.
2
Verify that the vehicle's interior and exterior lights are working to rule out a battery issue.
3
Attempt to manually unlock the vehicle with the physical key to ensure the lock mechanism is functioning.
4
Use an OBD-II scanner to check for any related fault codes that could indicate a keyless entry system problem.
5
Confirm that the vehicle’s central locking system is operational without the key fob.

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- New key fob battery (if needed)
- Flathead screwdriver (to open the key fob)
Ensure the vehicle is parked in a safe location with the ignition off.

2. Replace Key Fob Battery

Open the key fob using a flathead screwdriver to gently pry it open.
Remove the old battery and replace it with a new CR2032 battery, ensuring the positive (+) side is facing up.
Snap the key fob back together securely.

3. Reprogram the Key Fob

Enter Programming Mode:
- Sit in the driver’s seat and close all doors.
- Insert the key into the ignition and turn it to the "On" position (do not start the engine).
- Turn the key back to the "Off" position and remove it.
Initiate Programming:
- Press and hold the "Unlock" button on the key fob while turning the ignition switch to "On" again (do not start the engine).
- Continue holding the "Unlock" button for about 5 seconds.
Finalize Programming:
- Release the "Unlock" button. You should hear the vehicle locks cycle (lock and unlock) indicating that the programming has been successful.
- Turn the ignition back to the "Off" position and remove the key.

4. Test Key Fob Functionality

Press the lock and unlock buttons to verify that the key fob is now functioning properly.
Test the remote start feature if equipped.