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 MANUALSCHEVROLET2018SUBURBAN FL, RWD, GAS/ETHANOLREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSKEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONSREPAIR INSTRUCTIONSREMOTE CONTROL DOOR LOCK TRANSMITTER LEARN (WITHOUT BTM)SLOT PROGRAMMING
2018 Chevrolet Suburban FL, RWD, Gas/Ethanol
Slot Programming
2018 Chevrolet Suburban FL, RWD, Gas/EthanolSECTION Slot Programming
NOTE:
- Verify all mechanical keys operate correctly before beginning any programming procedures.
- If a slot already has a transmitter programmed to it, programming will not occur. A transmitter will only program to an open slot with no transmitter already programmed to it.
- Do not operate or program the transmitters in the vicinity of other vehicles that are in the keyless entry program mode. This prevents the programming of the transmitters to the incorrect vehicle.
Transmitter slot programming allows a single transmitter to be programmed into a specific slot without affecting any of the other programmed transmitters.
- With a scan tool, access the Body Control Module Configuration/Reset Functions menu. Select Add/Replace Key Fobs.
- Select the desired slot in the on-screen menu. Follow the on-screen instructions.
- When all the desired transmitters have been programmed, cycle the ignition from ON to OFF, and exit the vehicle.
- Verify each transmitter and key is operating properly. Operate each of the keyless entry functions using the buttons on the transmitter. On vehicles with a keyed ignition switch, verify the mechanical key by starting the vehicle using the ignition switch. When verifying operation, make sure that no other transmitters are near the vehicle.
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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.