how to fix the remote start feature not working on my Volkswagen Golf MK7.5 (2020-Present)

Volkswagen Golf MK7.5 (2020-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

584 words

Problem Statement

Learn how to diagnose and fix the remote start feature not working on your Volkswagen Golf MK7.5. 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 battery before working on electrical systems
•Ensure the vehicle is in a safe location while performing tests

Symptoms

•Remote start function does not activate when the button is pressed
•Indicator lights on the dashboard do not illuminate when attempting remote start
•No confirmation sound (e.g., horn chirp) occurs upon pressing the remote start button
•Engine does not crank or start when remote start is attempted
•Potential check engine light illuminated (if related to engine conditions)

Diagnostic Steps

1
Inspect the key fob battery to ensure it has sufficient charge
2
Verify that the vehicle is in a location where remote start is permissible (e.g., outside, not in a garage)
3
Scan the vehicle's OBD-II system for any diagnostic trouble codes (DTCs) that may indicate issues with the remote start system
4
Check the vehicle's settings in the infotainment system to confirm that the remote start feature is enabled
5
Inspect the hood latch and door sensors to ensure they are functioning correctly, as these must be closed for remote start to work
6
Test the remote start feature using a different key fob, if available, to rule out a faulty key

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
•Flat-head screwdriver
•Socket set

Parts Required

•CR2032 battery for key fob
•Hood latch or door sensor (if defective)

Related Faults

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Symptoms

•Remote start function does not activate when the button is pressed

•Indicator lights on the dashboard do not illuminate when attempting remote start

•No confirmation sound (e.g., horn chirp) occurs upon pressing the remote start button

•Engine does not crank or start when remote start is attempted

•Potential check engine light illuminated (if related to engine conditions)

Diagnostic Steps

1
Inspect the key fob battery to ensure it has sufficient charge
2
Verify that the vehicle is in a location where remote start is permissible (e.g., outside, not in a garage)
3
Scan the vehicle's OBD-II system for any diagnostic trouble codes (DTCs) that may indicate issues with the remote start system
4
Check the vehicle's settings in the infotainment system to confirm that the remote start feature is enabled
5
Inspect the hood latch and door sensors to ensure they are functioning correctly, as these must be closed for remote start to work
6
Test the remote start feature using a different key fob, if available, to rule out a faulty key

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked outside and the engine is off.
Disconnect the vehicle battery to prevent electrical shock when working on the system.

2. Inspect and Replace Key Fob Battery

Sub-steps:
- Open the key fob using a small flat-head 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. Check Remote Start Settings

Sub-steps:
- Power on the vehicle's ignition (without starting the engine).
- Navigate to the "Settings" menu on the infotainment system.
- Select "Remote Start" options and confirm that the feature is enabled.
- If adjustments are made, save changes and turn off the vehicle.

4. Inspect Hood Latch and Door Sensors

Sub-steps:
- Open the hood and visually inspect the hood latch for any obstructions or damage.
- Test the hood latch sensor by manually pressing it and checking for continuity with a multimeter.
- If defective, replace the hood latch or sensor.
- Check door sensors by opening and closing each door, ensuring they click and function properly.

5. Reconnect Battery and Test

Sub-steps:
- Reconnect the vehicle battery.
- Attempt to use the remote start feature again by pressing the key fob button.
- Note any audible confirmation or dashboard indicators.