Question about 1999 Buick LeSabre

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What is the code for programing a keyless remote for a 99 buick lesabre custom?

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  • Buick Master
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It is not a code but a procedure, it is in the owners manual. here it is again, follow it exactly, this is from the factory service manual.


1. Insert key in ignition and leave in the OFF position
2. Locate the Data Link Port. It is located under dash drivers side. Be sure you know
which pins are 8 and 4.

(Note port is wider at top) Your OBDII port will not
have numbers, use the illustration for reference.

what is the code for programing a keyless remote f - obd-1.jpg







3. Make sure there are metal contact pins in terminals 8 and 4. Connect 8 to 4 with a
suitable jumper wire (leave the jumper wire connected throughout the programming
procedure). Make sure you know which terminals are 8 and 4. The vehicle will respond
by locking and unlocking the
doors to signify entering of programming mode.

4. Close doors.

5. Turn ignition to the ON position (as far as you can go without cranking the engine).
Doors will lock.
6. Press and hold both the LOCK and UNLOCK buttons together on the first transmitter to
be programmed. After about 15 seconds, the vehicle will respond by locking and
unlocking the doors. Release the buttons on the transmitter.

7. Within one minute, repeat the previous step on the remaining transmitters to be
programmed.

8. Remove jumper wire applied to the OBDII Port.

Posted on May 08, 2009

  • yadayada
    yadayada May 08, 2009

    Here is the connector illustration




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Posted on Jan 02, 2017

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