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Home/Cars/Genesis/G70/1st Gen (2018-Present)/my Genesis G70 key fob won't work how to reprogram it

my Genesis G70 key fob won't work how to reprogram it

Genesis G70 1st Gen (2018-Present)

Severity: mediumDifficulty: medium30-60 minutes
3 min read
481 words

Problem Statement

Learn how to reprogram the key fob for your Genesis G70. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Electrical
Repair Time
30-60 minutes

Safety Warnings

  • ⚠Ensure the vehicle is in 'Park' and the ignition is off before handling the key fob.

Symptoms

  • •Key fob buttons do not respond when pressed
  • •Vehicle does not unlock or lock with the key fob
  • •Check engine light may illuminate (if related to immobilizer)
  • •Key fob battery may be dead (if applicable)
  • •Warning message on the dashboard regarding key detection

Diagnostic Steps

  1. 1Inspect the key fob battery for corrosion or damage; replace if necessary.
  2. 2Test the key fob's signal using a multimeter or key fob tester.
  3. 3Verify vehicle battery voltage and condition; ensure it is above 12.4 volts.
  4. 4Check for any fault codes using an OBD-II scanner that might indicate a key fob issue.
  5. 5Confirm that the vehicle's keyless entry system is functioning properly.

Solution

Solution

1. Preparation

  • Tools Required: Flathead screwdriver, small Phillips screwdriver, OBD-II scanner.
  • Remove the key fob cover using a flathead screwdriver to avoid damage.
  • Replace the battery if needed (typically a CR2032 battery).

2. Reprogramming the Key Fob

  1. Enter the Vehicle: Sit in the driver's seat and close all doors.
  2. Turn the Ignition On: Insert the key into the ignition and turn it to the "On" position without starting the engine. If your G70 has push-to-start, press the start button without pressing the brake pedal.
  3. Activate Key Fob Programming Mode: Within 10 seconds, press the "Lock" button on the driver's door three times. The vehicle should respond with a chime indicating it is in programming mode.
  4. Program the Key Fob: Press the "Lock" button on the key fob you want to program. The vehicle should respond with a chime to confirm programming.
  5. Repeat for Additional Fobs: If programming additional fobs, repeat the previous step for each fob within 30 seconds.
  6. Exit Programming Mode: Turn the ignition off and open the driver's door. This will exit the programming mode.

3. Final Check

  • Test the key fob by locking and unlocking the doors to ensure it is functioning properly.

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
  • Small Phillips screwdriver
  • OBD-II scanner

Parts Required

  • CR2032 battery

Additional Information

Component

Electrical

Repair Time

30-60 minutes

Difficulty

medium

Severity

medium

Tools

3 items

Parts

1 items

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