how do I 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

513 words

Problem Statement

Learn how to diagnose and fix the remote start issue on your 2015-2019 Volkswagen Golf MK7. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts.

Symptoms

•Remote start button on the key fob does not respond
•No engine crank or start sound when attempting to use remote start
•Dashboard lights flicker but engine does not start
•Check engine light illuminated
•Security system warning light activated

Diagnostic Steps

1
Check the key fob battery level and replace if necessary.
2
Verify that the vehicle is in the proper condition for remote start (e.g., doors closed, hood closed, parking brake engaged).
3
Scan the vehicle's onboard computer for error codes using an OBD-II scanner.
4
Inspect the vehicle's battery voltage and connections; ensure the battery is fully charged.
5
Test the remote start feature with a different key fob, if available, to rule out a faulty key fob.
6
Check for any installed aftermarket remote start systems that may interfere with factory settings.

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
•Torque wrench

Parts Required

•CR2032 key fob battery

Related Faults

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Diagnostic Steps

1
Check the key fob battery level and replace if necessary.
2
Verify that the vehicle is in the proper condition for remote start (e.g., doors closed, hood closed, parking brake engaged).
3
Scan the vehicle's onboard computer for error codes using an OBD-II scanner.
4
Inspect the vehicle's battery voltage and connections; ensure the battery is fully charged.
5
Test the remote start feature with a different key fob, if available, to rule out a faulty key fob.
6
Check for any installed aftermarket remote start systems that may interfere with factory settings.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the negative terminal of the battery for safety.

2. Inspect Key Fob

Use a small flathead screwdriver to open the key fob.
Replace the battery with a new CR2032 battery.
Reassemble the key fob and test the remote start function.

3. Check Vehicle Status

Ensure all doors, the hood, and the trunk are closed.
Check that the vehicle is in "park" mode.
Reconnect the negative battery terminal and attempt to use remote start.

4. Scan for Error Codes

Connect an OBD-II scanner to the vehicle's diagnostic port.
Read and document any error codes related to the engine or security systems.
Clear any codes if applicable and attempt the remote start again.

5. Inspect Battery and Connections

Use a multimeter to check the battery voltage; it should be above 12.4 volts.
Inspect battery terminals for corrosion or loose connections and clean or tighten as necessary.

6. Test Remote Start System

If an aftermarket remote start system is present, refer to the installation manual.
Ensure that all connections are secure and that the system is properly configured.