my Volkswagen Golf MK6 (2009-2014) key fob isn’t working, what could be the cause?

Solution

1. Preparation

• Gather the necessary tools: small screwdriver, new key fob battery (typically a CR2032), and OBD-II scanner.
• Ensure the vehicle is parked in a safe area and that the steering wheel is unlocked.

2. Key Fob Battery Replacement

• Remove the Key Fob Shell:

  • Use a small screwdriver to gently pry open the key fob casing.
  • Take care not to damage the clips holding the casing together.

• Replace the Battery:

  • Remove the old battery and note the orientation (positive side facing up).
  • Insert the new battery in the same orientation.

• Reassemble the Key Fob:

  • Snap the key fob casing back together firmly.
  • Test the key fob to see if it functions correctly.

3. Reprogram the Key Fob (if necessary)

• Connect OBD-II Scanner:

  • Plug in the OBD-II scanner to the vehicle's port and turn on the ignition without starting the engine.

• Follow Reprogramming Steps:

  • Access the key fob programming section on the scanner.
  • Follow the prompts to reprogram the key fob as per the scanner's instructions.

4. Check for Receiver Issues

• Inspect Receiver Module:
  • If the key fob still doesn’t work, inspect the vehicle's key fob receiver located near the rearview mirror or under the dashboard.
  • Ensure all connections are secure and there is no visible damage.