how to repair my Genesis G70 IG (2017-2023) key fob not working for remote start?

Genesis G70 IG (2017-2023)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

519 words

Problem Statement

Learn how to troubleshoot and repair a non-functioning key fob for remote start in Genesis G70 (2017-2023). Step-by-step guide with diagnostic steps.

Affected Component

Electrical

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on any electrical components to prevent shock or short circuits.

Symptoms

•Remote start feature does not activate
•Key fob buttons are unresponsive
•Indicator lights on the key fob do not illuminate
•Vehicle does not recognize the key fob when attempting to start
•Check engine light illuminated

Diagnostic Steps

1
Replace the battery in the key fob using a new CR2032 battery.
2
Verify the key fob is within range of the vehicle.
3
Check the vehicle’s fuse box for blown fuses related to the keyless entry or remote start systems.
4
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) related to the key fob or immobilizer system.
5
Inspect the key fob for physical damage or water intrusion.
6
Reprogram the key fob using the vehicle's onboard programming procedure.

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

•Flathead screwdriver
•CR2032 battery
•OBD-II scanner

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Replace the battery in the key fob using a new CR2032 battery.
2
Verify the key fob is within range of the vehicle.
3
Check the vehicle’s fuse box for blown fuses related to the keyless entry or remote start systems.
4
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) related to the key fob or immobilizer system.
5
Inspect the key fob for physical damage or water intrusion.
6
Reprogram the key fob using the vehicle's onboard programming procedure.

Solution

1. Preparation

Tools Required: Flathead screwdriver, CR2032 battery, OBD-II scanner (if needed).
Ensure the vehicle is parked safely and the engine is turned off.
Disconnect the battery for safety if necessary.

2. Replace Key Fob Battery

Sub-steps:
1. Use a flathead screwdriver to gently pry open the key fob casing.
2. Remove the old CR2032 battery and replace it with a new one, ensuring the positive side faces the correct direction.
3. Snap the key fob casing back together securely.

3. Check and Replace Fuses

Sub-steps:
1. Access the vehicle's fuse box, typically located under the dashboard or in the engine compartment.
2. Locate the fuse related to the keyless entry or remote start feature (consult owner's manual for exact location).
3. Remove the fuse using fuse pullers and inspect it for damage.
4. If blown, replace it with a fuse of the same amperage.

4. Reprogram Key Fob

Sub-steps:
1. With the key fob in hand, enter the vehicle and close all doors.
2. Insert the key into the ignition and turn it to the "ON" position without starting the engine.
3. Press the "LOCK" button on the key fob for 5 seconds.
4. Turn the ignition off and remove the key.
5. Test the key fob to ensure it functions correctly.