how to fix my Volkswagen Tiguan Second Generation (2018-present) remote start not working

Volkswagen Tiguan 2nd Gen (2018-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

530 words

Problem Statement

Learn how to diagnose and fix the remote start issue in your Volkswagen Tiguan (2018-present). 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 accessing any electrical components to avoid short circuits

Symptoms

•Remote start button does not respond when pressed
•Check engine light illuminated
•Vehicle does not start or shows no signs of ignition
•Security system warning light may be active
•Key fob battery may be low or dead

Diagnostic Steps

1
Check the key fob battery and replace it if necessary
2
Ensure the vehicle is in park and all doors are closed properly
3
Scan for error codes using an OBD-II scanner to check for any related issues
4
Verify that the remote start feature is enabled in the vehicle's settings
5
Inspect the vehicle's security system for any faults or triggers that may disable remote start
6
Test the key fob signal strength and range to ensure it's functioning correctly

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 flathead screwdriver
•Multimeter

Parts Required

•Key fob battery (commonly CR2032)

Related Faults

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Diagnostic Steps

1
Check the key fob battery and replace it if necessary
2
Ensure the vehicle is in park and all doors are closed properly
3
Scan for error codes using an OBD-II scanner to check for any related issues
4
Verify that the remote start feature is enabled in the vehicle's settings
5
Inspect the vehicle's security system for any faults or triggers that may disable remote start
6
Test the key fob signal strength and range to ensure it's functioning correctly

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, battery replacement tools, and a multimeter (if needed).
Ensure the vehicle is parked on a flat surface and is turned off.
Disconnect the battery if any electrical components will be accessed.

2. Replace Key Fob Battery

Sub-step 1: Open the key fob using a small flathead screwdriver to pry it apart carefully.
Sub-step 2: Remove the old battery, noting its orientation.
Sub-step 3: Insert a new battery of the same type (commonly CR2032) with the correct polarity.
Sub-step 4: Snap the key fob back together securely.

3. Verify Remote Start Settings

Sub-step 1: Start the vehicle and navigate to the settings menu on the infotainment system.
Sub-step 2: Locate the remote start option and ensure it is enabled.
Sub-step 3: Save settings and turn off the vehicle.

4. Inspect the Vehicle's Security System

Sub-step 1: Use the OBD-II scanner to check for any DTCs (Diagnostic Trouble Codes) related to the security system.
Sub-step 2: If any codes are found, consult the repair manual for appropriate troubleshooting steps.
Sub-step 3: Clear the codes and test the remote start function again.

5. Test Key Fob Signal Strength

Sub-step 1: Use a multimeter to check the battery voltage of the key fob.
Sub-step 2: If battery voltage is low, replace the battery again.
Sub-step 3: If the fob is still unresponsive, consider reprogramming the fob using the vehicle’s manual.