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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEMREPAIR INSTRUCTIONSPROGRAMMING ADDITIONAL KEYS (WITHOUT BTM)ADDING KEYS (WITHOUT SPS)
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
Adding Keys (Without SPS)
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION 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.