2003 Chevrolet Silverado (1500, 2500, 3500) Keyless Entry Remote Programming Instructions

Easy to Follow Step-by-step Key fob remote Programming Instructions

2003 Chevrolet Silverado (1500, 2500, 3500)

We strive to provide convenience to our customers with free keyless entry remote fob programming instructions for every single vehicle that we sell on NorthCoast Keyless.

Many people don’t know that they can purchase their own replacement vehicle entry remote, save up to 70% off of marked up Dealership prices, and program the replacement remote to their vehicle themselves. We know how good it feels to save money and do something yourself; and we aim to make it as painless as possible for you!

Free Key Fob Remote Programming Instructions for a 2003 Chevrolet Silverado (1500, 2500, 3500)


Time needed: 5 minutes.


KEY FOB REMOTE
Step-By-Step How To Programming Instructions

  1. Close All Doors

    CLOSE all doors.

  2. Enter Programming Mode – Step 1

    INSERT key into the Ignition (DO NOT TURN).

  3. Enter Programming Mode – Step 2

    PRESS and HOLD the power UNLOCK button on the Driver’s side door. DO NOT release until instructed.

  4. Enter Programming Mode – Step 3

    TURN the Ignition ON, OFF, ON, OFF

    (ON is the position just shy of cranking the engine and OFF is where you can remove your key).

  5. Enter Programming Mode – Step 4

    RELEASE the power UNLOCK button on the Driver’s side door.

    Upon release of the UNLOCK button, the vehicle should respond by cycling the door locks LOCK / UNLOCK signaling successful entry into Programming Mode.

    a. IF the door locks cycle, continue to Step 6. If the door locks cycle BEFORE releasing the UNLOCK button, the vehicle has NOT entered Programming Mode and you must RETURN to Step 1.
    b. IF the door locks continue to cycle BEFORE releasing the UNLOCK button, there is a problem with the vehicle’s keyless entry system and the remotes must be programmed by a certified professional Automotive Locksmith or Dealer.
    c. IF you are unable to get the door locks to cycle at all, you are turning the key too quick or too slow, there is a problem with your vehicle’s keyless entry system, or the vehicle is not equipped with keyless entry. Check with a certified professional Automotive Locksmith or Dealer.

  6. Program Remote

    HOLD the LOCK and UNLOCK buttons on the remote at the same time, up to 30 seconds, until door locks cycle LOCK / UNLOCK to signal successful programming of the remote.

  7. Program Additional Remotes

    REPEAT Step 6 for any additional remotes to be programmed, including working ones.

  8. Exit Programming Mode

    TURN ignition to ON to EXIT Programming Mode.

  9. Finalize Programming

    TURN Ignition to OFF and remove key to finalize programming.

  10. Test Remotes

    TEST all remotes. Programming is complete.

  11. Share

    If these programming instructions helped save you time and money, please consider sharing our website with friends and family so they can do the same.

Programming Notes:

  • Verify the following prior to following these instructions:
    • Your vehicle is equipped with keyless entry, and
    • You have a key fob remote that is compatible with your vehicle.
  • Obtain all remote transmitters for this vehicle. This procedure will erase all previously programmed remotes. You must program all existing and new remotes that you wish to use on the vehicle at this time.
  • You may clear your keyless entry system memory by entering programming mode as shown in the steps above.

If you have any difficulties with programming your vehicles, contact us at [email protected].

Key fob remotes

2003 Chevrolet Silverado (1500, 2500, 3500)

OEM Electronic
NorthCoast Keyless Free Programming Instructions Disclaimer:
  • We worked hard to provide these instructions to our customers. We checked multiple sources to ensure that this information is complete and accurate. However, please understand that we cannot be held liable for any loss due to incorrect use of the programming instructions from www.northcoastkeyless.com.
  • If you cannot program your remote with the instructions that we provide or encounter any discrepancies, please contact us at [email protected] and we’ll make sure that you’re taken care of.

11 thoughts on “2003 Chevrolet Silverado (1500, 2500, 3500) Keyless Entry Remote Programming Instructions

  1. Fanny Ng says:

    Hi, I am interested in this remote. Is the used remote programmable if this is the only remote? I don’t have any remote at all. Thank in advance for your help.

    • NorthCoast Support says:

      Hi Fanny,

      Thanks for reaching out! You can program the Used condition remote if you don’t have a remote already. Just follow the instructions shown above. If you have any other questions, please reach out to us at [email protected] and we’ll take care of you!

      Take care,
      NorthCoast Keyless Support

  2. Action Jackson says:

    I took a remote for a 2003 suburban and programmed it to my 2006 Silverado. Took 5 tries before it worked. Learned to be patient.

  3. Dean nolan says:

    I have a 2003 silverado without power locks and the fob went out i purchased a new one and don know how to program it cause all the instructions on the internet is for trucks with power locks can you help with this

  4. Steve Land says:

    Thanks you guys bought a remote key fob
    I was surprised how easy it was thanks to the step by step for you
    Did take two try’s but it is working
    I saved your information on my phone so I will be your new customer thanks so much ✌️

  5. John duncan says:

    I don’t have a remote for my 2003 Chevy. My truck will start then die after the new key ignition has been inserted.. do ihave to go back with a remote

  6. Rick Gehl says:

    My passenger door lock power window mirror doesn’t work at all. Would this prevent the fob from being programed for the drivers side?

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