how to fix the remote start not working on my Volkswagen Golf MK7 (2015-2019)

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

547 words

Problem Statement

Learn how to diagnose and fix the remote start issue in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' before performing any electrical work.
•Disconnect the battery before handling any electrical components to avoid shock.

Symptoms

•Remote start button does not activate the engine
•No response from the key fob when pressing the remote start button
•Error message displayed on the dashboard
•Check engine light illuminated
•Vehicle cannot be started remotely even when in range

Diagnostic Steps

1
Check the battery in the key fob to ensure it is functioning properly.
2
Scan the vehicle using an OBD-II scanner for any error codes related to the remote start system.
3
Verify the vehicle's security system settings to ensure remote start is enabled.
4
Inspect the vehicle's hood and door switches to ensure they are functioning and not triggering the safety features.
5
Test the remote start function with another key fob to determine if the issue is with the fob itself.
6
Check for any blown fuses related to the remote start system in the fuse box.

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
•Multimeter
•Small flathead screwdriver
•Fuse puller

Parts Required

•CR2032 key fob battery
•Hood latch switch (if faulty)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Check the battery in the key fob to ensure it is functioning properly.
2
Scan the vehicle using an OBD-II scanner for any error codes related to the remote start system.
3
Verify the vehicle's security system settings to ensure remote start is enabled.
4
Inspect the vehicle's hood and door switches to ensure they are functioning and not triggering the safety features.
5
Test the remote start function with another key fob to determine if the issue is with the fob itself.
6
Check for any blown fuses related to the remote start system in the fuse box.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface with the engine off.
Disconnect the battery to prevent any electrical short circuits.

2. Replace Key Fob Battery

Open the key fob using a small flathead screwdriver.
Remove the old battery and replace it with a new CR2032 battery, ensuring correct polarity.
Reassemble the key fob and test the remote start function.

3. Reset Remote Start Settings

Reconnect the battery.
Turn the ignition to the "On" position without starting the engine.
Access the vehicle's settings menu through the infotainment system.
Navigate to the "Vehicle" or "Convenience" settings and ensure that the remote start feature is enabled.

4. Inspect Hood and Door Switches

Open the hood and locate the hood latch switch.
Disconnect the switch connector and use a multimeter to test for continuity while activating the switch.
If faulty, replace the hood latch switch.
Repeat the same process for the door switches to ensure they are functioning properly.

5. Check Fuses

Locate the fuse box, typically found under the dashboard or in the engine bay.
Check the owner's manual for the specific fuse for the remote start system.
If blown, replace the fuse with one of the same amperage.