Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1991CENTURY L4-151 2.5L VIN R TBIREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERSERVICE AND REPAIRPROGRAMMING PROCEDURE
1991 Buick Century L4-151 2.5L VIN R TBI
Programming Procedure
1991 Buick Century L4-151 2.5L VIN R TBISECTION Programming Procedure
Do the following after replacing Keyless Entry Module or either Transmitter.
1. Turn Ignition Switch to OFF.
2. Jumper Program connector terminal A to terminal B. Door locks will lock and unlock in approximately 2 seconds.
3. Press UNLOCK Button on one Transmitter. Door locks will lock and unlock in approximately 2 seconds. The module is now programmed for the first Transmitter.
4. Repeat step 3 using other transmitter. If only one Transmitter is being used, go to step 5.
5. Disconnect jumper from Program connector.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.