Split Year for Keyless Entry Remotes on 2001 GM Truck and SUV Models

For many GM truck and SUV models, 2001 was a “split year” for factory keyless entry system remote transmitters. Models such as Chevy Blazer, Silverado, Suburban and Tahoe and GMC Sierra, Sonoma and Yukon all used two different keyless entry systems during the 2001 model year.

Vehicles assembled through February 2001 (“1st Design”) used 3-button or 4-button remotes with FCC ID KOBUT1BT on the back of the case. Vehicles built in March 2001 or later (“2nd Design”) used keyfobs with FCC ID KOBLEAR1XT. The keyfobs look very similar, so you have to be careful when buying a replacement remote. You should check the production date shown on the sticker inside your vehicle or the FCC ID on the back of your original remote to ensure that you get the correct replacement keyfob.

Buying the correct part is made more difficult by the fact that 4-button remotes with FCC IDs KOBUT1BT or KOBLEAR1XT are not all interchangeable. So, here are links to the correct remotes for GM trucks and SUVs in 2001:

The 3-button 2001 GM truck and SUV remote with FCC ID KOBUT1BT is RUI part 517-1517. The 4-button 2001 GM truck and SUV remote with FCC ID KOBUT1BT is RUI part 516-1516.

The 3-button 2001 GM truck and SUV remote with FCC ID KOBLEAR1XT is RUI part 514-1514. The 4-button 2001 GM truck and SUV remote with FCC ID KOBLEAR1XT is RUI part 513-1513.

Important Note: Not all 2001 GM trucks used remotes with these FCC ID numbers on them. Some vehicles still used an earlier design of keyless entry system used by GM in the late 1990s. For example, 2001 Chevy Express and GMC Savana vans, as well as 2001 Chevy Tracker all incorporated the older system, which used remotes with FCC ID ABO1502T.

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2 Responses to Split Year for Keyless Entry Remotes on 2001 GM Truck and SUV Models

  1. john galbraith says:

    I have a 2001 chevy silverado that I am having difficulty finding the right keyless entry fob for. I have contacted a dealership and they checked and said that they could get one, but it would cost $90.00 and then they would charge $40.00 for the programming. Any help in this matter would be greatly appreciated.

    • admin says:

      John:
      We can certainly help you with this. The only complication you face is that GM used two different systems on 2001 Silverados. For the first half of the model year, on vehicles built before March 2001, the correct remote is our part 517-1517. The original remote had FCC ID KOBUT1BT on the back. For the second half of the model year, on vehicles built from March 2001 on, the correct replacement remote is our part 514-1514. This original remote had FCC ID KOBLEAR1XT.

      To figure out which you need, you can check the FCC ID on the back of your original remote, if you still have one, or you can check the production date of your vehicle. (You can call us for help with either of these approaches if you like.) The replacement parts look very similar but they are

        not interchangeable

      .

      Remotes Unlimited offers a variety of replacement options for this part. We have brand new aftermarket versions of the GM parts for sale on our website and in Advance Auto stores. We also have R-grade OE parts, which are used original GM circuit boards in a new aftermarket replacement case, and B-grade OE parts which are used GM parts that are still in good condition. For both of these grades, we clean and test the parts and insert a new battery. Our new parts sell for $49.00, and R-grade and B-grade parts are $34.00 and $19.00, respectively.

      Both of these keyless entry systems have “on board” programming, which means you should be able to program the system yourself to accept the new remote. We include programming instructions with our parts and also offer free phone technical support if you need assistance.

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