my Volkswagen Golf MK7 (2015-2019) remote start not working what to do

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

565 words

Problem Statement

Learn how to diagnose and fix the remote start issue in your Volkswagen Golf MK7 (2015-2019). 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.

Symptoms

•Remote start button does not respond when pressed
•No engine crank or start attempt when remote start is activated
•Dashboard warning lights illuminated
•Key fob battery appears to be functional (indicated by other button responses)
•Vehicle starts normally using the ignition key
•Remote start system indicator light (if applicable) is not illuminated

Diagnostic Steps

1
Check the key fob battery voltage using a multimeter to ensure it is functioning properly.
2
Scan the vehicle's OBD-II system for any error codes related to the remote start function.
3
Inspect the remote start system fuse for continuity and replace if blown.
4
Verify that all vehicle doors are closed and the hood is latched, as the system may not activate if these are open.
5
Test the functionality of the remote start feature with another key fob (if available).
6
Examine the remote start control module for any visible damage or loose connections.

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
•Fuse puller
•Basic hand tools (screwdrivers, socket set)

Parts Required

•CR2032 key fob battery
•Replacement fuse (if applicable)

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Symptoms

•Remote start button does not respond when pressed

•No engine crank or start attempt when remote start is activated

•Dashboard warning lights illuminated

•Key fob battery appears to be functional (indicated by other button responses)

•Vehicle starts normally using the ignition key

•Remote start system indicator light (if applicable) is not illuminated

Diagnostic Steps

1
Check the key fob battery voltage using a multimeter to ensure it is functioning properly.
2
Scan the vehicle's OBD-II system for any error codes related to the remote start function.
3
Inspect the remote start system fuse for continuity and replace if blown.
4
Verify that all vehicle doors are closed and the hood is latched, as the system may not activate if these are open.
5
Test the functionality of the remote start feature with another key fob (if available).
6
Examine the remote start control module for any visible damage or loose connections.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Tools Required: OBD-II scanner, multimeter, fuse puller, basic hand tools (screwdrivers, socket set).
Ensure the vehicle is parked on a flat surface and is turned off.

2. Replace Key Fob Battery

Sub-steps:
1. Open the key fob using a small flathead screwdriver.
2. Carefully remove the old battery and replace it with a new CR2032 battery, ensuring correct polarity.
3. Reassemble the key fob and test the remote start function.

3. Inspect and Replace Fuse

Sub-steps:
1. Locate the fuse box (usually under the dashboard or in the engine compartment).
2. Identify the remote start fuse using the fuse diagram.
3. Use a fuse puller to remove the fuse and check it for continuity.
4. If blown, replace it with a fuse of the same amperage rating.

4. Reset Remote Start System

Sub-steps:
1. Disconnect the vehicle battery for at least 10 minutes to reset the system.
2. Reconnect the battery and ensure all connections are tight.
3. Attempt to activate the remote start function again.

5. Reprogram Key Fob (if necessary)

Sub-steps:
1. Insert the key into the ignition and turn it to the "On" position without starting the engine.
2. Press and hold the remote start button on the key fob for 5 seconds.
3. Turn the ignition off, and then test the remote start function.