how to fix the remote start on my Genesis G70 IG (2017-2023)

Genesis G70 IG (2017-2023)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

572 words

Problem Statement

Learn how to diagnose and fix remote start issues in Genesis G70 (2017-2023). 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 components to prevent shocks or shorts

Symptoms

•Remote start button does not respond or activate the vehicle
•Engine does not crank when attempting to use remote start
•Check engine light may be illuminated
•Security system indicator may blink or show a fault
•Vehicle does not start after multiple attempts

Diagnostic Steps

1
Confirm that the vehicle is in a suitable environment for remote start (e.g., doors closed, hood closed)
2
Check the vehicle battery voltage and ensure it is sufficiently charged
3
Inspect the key fob battery and replace it if necessary
4
Scan the vehicle’s OBD-II system for any error codes related to the remote start or security system
5
Verify that all doors, the trunk, and the hood are securely closed and that the vehicle is not in valet mode
6
Test the remote start feature using a different key fob, if available

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
•Flathead screwdriver
•Phillips screwdriver

Parts Required

•Replacement key fob battery (CR2032 or specific to the fob model)

Related Faults

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Diagnostic Steps

1
Confirm that the vehicle is in a suitable environment for remote start (e.g., doors closed, hood closed)
2
Check the vehicle battery voltage and ensure it is sufficiently charged
3
Inspect the key fob battery and replace it if necessary
4
Scan the vehicle’s OBD-II system for any error codes related to the remote start or security system
5
Verify that all doors, the trunk, and the hood are securely closed and that the vehicle is not in valet mode
6
Test the remote start feature using a different key fob, if available

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, flathead screwdriver, Phillips screwdriver, replacement key fob battery (if needed).
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Key Fob Battery Replacement

Tools Required: Flathead screwdriver.
Use the flathead screwdriver to gently pry open the key fob casing.
Remove the old battery from the key fob and replace it with a new one, ensuring the positive side is facing the correct direction.
Reassemble the key fob casing and test the remote start function.

3. Battery Voltage Check

Tools Required: Multimeter.
Reconnect the battery terminal and set the multimeter to the DC voltage setting.
Measure the voltage across the battery terminals. It should read around 12.6 volts when fully charged.
If the voltage is low, charge the battery or replace it if necessary.

4. OBD-II Code Retrieval

Tools Required: OBD-II scanner.
Connect the OBD-II scanner to the vehicle's diagnostic port.
Turn the ignition to the "On" position without starting the engine.
Retrieve and note any error codes related to the remote start or security system.
Clear any codes that may be present and attempt to use the remote start again.

5. Security System Check

Ensure all doors, trunk, and hood are closed. If any are open, the remote start will not activate.
Check if the vehicle is in valet mode, which disables remote start. If so, switch back to normal mode as per the owner's manual.