how to fix the remote start feature on my Volkswagen Tiguan Second Generation (2018-present)

Volkswagen Tiguan 2nd Gen (2018-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

552 words

Problem Statement

Learn how to diagnose and fix the remote start feature on your Volkswagen Tiguan (2018-present). Step-by-step guide with tools and tips.

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
•Ensure the vehicle is in a safe location to avoid accidents while testing remote features

Symptoms

•Remote start does not activate when the key fob button is pressed
•LED indicator on the key fob does not illuminate
•Engine starts but shuts off immediately after starting
•Check engine light illuminated on the dashboard
•Vehicle does not respond to remote commands (lock/unlock)
•Weak or dead battery in the key fob

Diagnostic Steps

1
Check the battery status of the key fob using a multimeter
2
Verify that the vehicle is in the correct conditions for remote start (e.g., doors closed, hood closed)
3
Scan the vehicle’s onboard diagnostics using an OBD-II scanner for any error codes
4
Inspect the fob for physical damage or malfunction
5
Check for any software updates available for the vehicle's control modules
6
Test the remote start system settings in the vehicle’s infotainment 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

•Small flathead screwdriver
•New key fob battery (CR2032)
•OBD-II scanner
•Multimeter
•Wire strippers
•Electrical tape
•Soldering iron

Parts Required

•Key fob battery (CR2032)

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Symptoms

•Remote start does not activate when the key fob button is pressed

•LED indicator on the key fob does not illuminate

•Engine starts but shuts off immediately after starting

•Check engine light illuminated on the dashboard

•Vehicle does not respond to remote commands (lock/unlock)

•Weak or dead battery in the key fob

Diagnostic Steps

1
Check the battery status of the key fob using a multimeter
2
Verify that the vehicle is in the correct conditions for remote start (e.g., doors closed, hood closed)
3
Scan the vehicle’s onboard diagnostics using an OBD-II scanner for any error codes
4
Inspect the fob for physical damage or malfunction
5
Check for any software updates available for the vehicle's control modules
6
Test the remote start system settings in the vehicle’s infotainment system

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is parked in a safe area and the engine is off.
Disconnect the battery to avoid electrical shorts while working.

2. Key Fob Battery Replacement

Sub-steps:
1. Open the key fob using a small flathead screwdriver.
2. Remove the old battery (typically a CR2032).
3. Insert a new battery, ensuring the correct polarity (+/-).
4. Reassemble the key fob and test the remote start function.

Tools Required:

Small flathead screwdriver
New key fob battery (CR2032)

3. Check Remote Start Settings

Sub-steps:
1. Turn the ignition on without starting the engine.
2. Navigate to the vehicle settings in the infotainment system.
3. Locate the remote start settings and ensure it is enabled.
4. If changes are made, save settings and exit.

Tools Required:

None

4. Reprogram the Key Fob (if necessary)

Sub-steps:
1. Insert the key into the ignition and turn to the "On" position (do not start).
2. Press the "Lock" button on the key fob for 2 seconds.
3. Turn the ignition off and remove the key.
4. Test the remote start function again.

Tools Required:

None

5. Inspect and Repair Wiring/Components

Sub-steps:
1. Check the wiring harnesses related to the remote start feature for damage.
2. Inspect the remote start module for proper connection.
3. Repair or replace any damaged wiring or components as necessary.

Tools Required:

Wire strippers
Electrical tape
Soldering iron (if needed)