30-Minute Learn Procedure

Use this procedure after replacing the Passkey(R) III (PK3) keys, theft deterrent control module or PCM.

NOTE: This procedure is not available on vehicles equipped with option code Z49 or BAE.

NOTE: If replacing a theft deterrent control module with an GM SPO replacement part, perform the procedure to setup a new theft deterrent control module prior to the 30-minute relearn procedure.

With a master Passkey(R) III key (Black), turn ignition on, with engine off.
Observe the SECURITY telltale. After about 10 minutes, the telltale will turn off.
Turn OFF ignition, and wait 5 seconds.
Repeat steps 1 through 3 for 2 more times for a total of 3 cycles or 30 minutes.

NOTE: The vehicle learns the key transponder information and/or passwords on ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the engine.

With a master Passkey(R) III key, start engine. The vehicle has now learned the key transponder information and PCM has now learned the fuel continue password.
Using scan tool, clear any DTCs.