why does the remote start not work on my Volkswagen Tiguan First Generation (2007-2018)

Volkswagen Tiguan First Generation (2007-2018)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

518 words

Problem Statement

Learn how to diagnose and fix remote start issues in Volkswagen Tiguan (2007-2018). Step-by-step guide with symptoms, diagnostic steps, 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 to avoid shocks or shorts.

Symptoms

•Remote start button on the key fob does not respond
•No engine crank or ignition when attempting remote start
•Dashboard lights may illuminate briefly, then turn off
•Check engine light illuminated or other warning lights present
•Vehicle starts normally when using the ignition key
•Remote key fob battery may be low

Diagnostic Steps

1
Verify the key fob battery is charged and functioning by testing other buttons.
2
Check for any warning lights on the dashboard that may indicate issues with the vehicle's systems.
3
Scan for error codes using an OBD-II scanner to identify any related issues.
4
Inspect the remote start system’s wiring and connections for any visible damage or disconnections.
5
Confirm that the vehicle is in a safe position for remote start (e.g., doors closed, vehicle not in gear).
6
Ensure that the climate control settings are within the parameters for remote start operation.

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
•Small flat screwdriver
•Socket set

Parts Required

•Key fob battery (specific type for the Tiguan)
•Wiring connectors (if repairs are needed)

Related Faults

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Symptoms

•Remote start button on the key fob does not respond

•No engine crank or ignition when attempting remote start

•Dashboard lights may illuminate briefly, then turn off

•Check engine light illuminated or other warning lights present

•Vehicle starts normally when using the ignition key

•Remote key fob battery may be low

Diagnostic Steps

1
Verify the key fob battery is charged and functioning by testing other buttons.
2
Check for any warning lights on the dashboard that may indicate issues with the vehicle's systems.
3
Scan for error codes using an OBD-II scanner to identify any related issues.
4
Inspect the remote start system’s wiring and connections for any visible damage or disconnections.
5
Confirm that the vehicle is in a safe position for remote start (e.g., doors closed, vehicle not in gear).
6
Ensure that the climate control settings are within the parameters for remote start operation.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to prevent electrical shorts during work.

2. Replace Key Fob Battery

Tools Required: Small flat screwdriver
Remove the back cover of the key fob using the screwdriver.
Replace the old battery with a new one, ensuring proper polarity.
Reassemble the key fob and test the remote start function.

3. Inspect Remote Start Wiring

Tools Required: Multimeter, socket set
Remove any panels covering the remote start wiring.
Use the multimeter to check for continuity in the wires.
Repair or replace any damaged wiring found during inspection.

4. Reset the Remote Start System

Tools Required: OBD-II scanner
Reconnect the battery.
Use the OBD-II scanner to reset any error codes related to the remote start system.
Follow the scanner prompts to complete the reset process.

5. Test Remote Start Functionality

Ensure all safety conditions are met (e.g., doors closed, vehicle in park).
Press the remote start button on the key fob and verify if the engine starts.