my Volkswagen Golf MK7.5 (2020-Present) remote start won't activate

Volkswagen Golf MK7.5 (2020-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

527 words

Problem Statement

Learn how to diagnose and fix remote start issues in your 2020 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 the battery before working on electrical components to prevent shock or damage.

Symptoms

•Remote start button does not respond when pressed
•Vehicle does not start or show any signs of attempting to start
•No indicator lights or messages on the dashboard related to remote start
•Key fob battery may be low or dead
•Possible check engine light illuminated on the dashboard

Diagnostic Steps

1
Inspect the key fob battery and replace it if necessary.
2
Check if the vehicle is in a location with a sufficient range for the remote start to operate.
3
Verify that all doors, hood, and trunk are securely closed; the remote start will not activate if any are ajar.
4
Scan the vehicle's onboard computer for any error codes using an OBD-II scanner.
5
Check the vehicle's settings in the infotainment system to ensure remote start is enabled.
6
Inspect the vehicle's fuse box for any blown fuses related to the remote start system.

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
•Small flat-head screwdriver
•Fuse puller or pliers

Parts Required

•Replacement key fob battery (CR2032)
•Replacement fuses (if necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the key fob battery and replace it if necessary.
2
Check if the vehicle is in a location with a sufficient range for the remote start to operate.
3
Verify that all doors, hood, and trunk are securely closed; the remote start will not activate if any are ajar.
4
Scan the vehicle's onboard computer for any error codes using an OBD-II scanner.
5
Check the vehicle's settings in the infotainment system to ensure remote start is enabled.
6
Inspect the vehicle's fuse box for any blown fuses related to the remote start system.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked in a safe area.
Disconnect the vehicle's battery to prevent any electrical shorts during the repair process.

2. Key Fob Battery Replacement

Tools Required: Small flat-head screwdriver, replacement battery (usually CR2032).
Open the key fob using the screwdriver to pry apart the two halves.
Remove the old battery and insert the new battery, ensuring proper orientation according to the markings.
Reassemble the key fob and test the remote start function.

3. Fuse Inspection and Replacement

Tools Required: Fuse puller or pliers, replacement fuses.
Locate the fuse box, usually situated under the dashboard or in the engine compartment.
Refer to the owner’s manual for the specific fuse associated with the remote start feature.
Remove the fuse and inspect it; replace it if it is blown.
Reconnect the battery and test the remote start again.

4. System Reset (if necessary)

If no issues are found with the key fob or fuses, perform a system reset.
Tools Required: OBD-II scanner.
Connect the OBD-II scanner to the vehicle's diagnostic port.
Follow the scanner's instructions to reset the body control module (BCM).
Disconnect the scanner and test the remote start feature again.