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2004 Pontiac grand prix. The original and only key was damaged, well I put the key into ignition, car totally shut down and reads "starting disabled due to anti theft system" ok went to GM dealership and got a new key made. (I do not have a lock/unlock trasmiter) I have cleared the old codes out with a scanner which read P1631. Did the 10 min and 30 min. Procedures. Still my car won't start and is reading the same message. What do i do now? Thank you.

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After completing the 45 minute relearn procedure for a 2004 Pontiac Grand Prix message center Now says system not programmed


Relearn for what ? Anti theft system PK3 ? The relearn procedure is three 10 min. procedures for a total of 30 min.
30-Minute Relearn Procedure
Use this procedure after replacing the following components:
?€¢
The passkey III (PK3) keys


?€¢
The BCM


?€¢
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Important: This procedure is not available on vehicles equipped with option code (Z49).
If replacing a BCM with an GM SPO Replacement Part, perform the procedure to setup a new BCM prior to the 30-minute relearn procedure.

  1. With a master passkey III key, turn ON the ignition, with the engine OFF.
  2. Observe the STARTING DISABLED DUE TO THEFT message on the drivers information center (DIC), after approximately 10 minutes the STARTING DISABLED DUE TO THEFT message on the DIC will turn off.
  3. Turn OFF the ignition, and wait 5 seconds.
  4. Repeat steps 1-3 two more times for a total of 3 cycles or 30 minutes.
  5. Important: The vehicle learns the key transponder information and/or passwords on the ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
  6. With a master passkey III key, start the vehicle. The vehicle has now learned the key transponder information and the PCM has now learned the fuel continue password.
  7. With a scan tool, clear any DTCs.

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1 Answer

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Got a stuck key out of the ignition, but it activated theft deterrent system, unhooked the battery cables for a while and rehooked back up. system did not reset. is there a way to reset it without taking...


If the ignition lock has not been damaged, ( that's where the GM Passlock system reads the ignition key) here is how you reset the Passlock to youe keys.

Ignition keys relearn takes about 30 min to do. 30-Minute Learn Procedure 1. Turn ON the ignition, with the engine OFF. 2. Attempt to start the engine, then release the key to ON; the vehicle will not start. 3. Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF. 4. Turn OFF the ignition switch, and wait 5 seconds. 5. Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle. 6. Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password. 7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles. Without a scan tool you may have momentary starter interruptions while history clears itself.

Good luck and keep me posted, be glad to know you got your car running again.

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1 Answer

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