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 MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEMREPAIR INSTRUCTIONSPROGRAMMING ADDITIONAL KEYSADDING KEYS (WITHOUT SPS)
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas
Adding Keys (Without SPS)
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Adding Keys (Without SPS)
NOTE:
- To initiate, this procedure requires that 2 learned key be available.
- A total of eight keys maybe be learned to a single vehicle.
- This procedure adds keys only. The procedure does not erase previously learned keys.
- The keys to be learned must duplicate the mechanical cut of the current key.
- With a previously learned key, turn the ignition ON.
- Turn the ignition OFF and remove the key.
- With a second previously learned key, turn the ignition ON.
- Turn the ignition OFF and remove the key.
- Within 10 seconds of turning OFF the ignition, insert the key to be learned and turn ON/RUN position (do not turn to the crank position). Keep key in the ON/RUN position for 5 seconds and the theft light turns off. The vehicle has now learned the new key.NOTE:
- Step 5 can be repeated until a maximum of 8 keys are learned (including 2 factory keys) to the vehicle.
- Be sure to keep other keys and transmitters at least 12 in (30 cm) away from the ignition cylinder while learning.
- Verify each transmitter and key is operating properly. Remove key from the ignition cylinder and wait 30 seconds. Insert the key into the ignition cylinder and start vehicle.
- When verifying operation, make sure that no other transmitters are near the vehicle.
- If key fails to learn repeat steps 1-6 paying close attention to the time limits at each step.
NOTE:
RENDER: 1.0x
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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.