6th Gen ('00-'05): Lost my key's help
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Joined: Apr 2016
Posts: 3
Lost my key's help
I lost my only car key's a while ago and I didn't know what to do? I considered all my options but I decided to Change the ignition lock housing cylinder and ignition lock. So I have 2 car keys that came with the new ignition lock but the car wont start. So basically my question is
1.Should I use a obd2 code reader to reset the ECU
2.Use a key programer to program the new keys
3.Tow my car to a mechanic and let them deal with it
Also I've given the car a tune up, changed the oil, and tested my battery,starter, and alternator. All came back working great. I NEED HELP PLEASE!!!!!
1.Should I use a obd2 code reader to reset the ECU
2.Use a key programer to program the new keys
3.Tow my car to a mechanic and let them deal with it
Also I've given the car a tune up, changed the oil, and tested my battery,starter, and alternator. All came back working great. I NEED HELP PLEASE!!!!!
Monte Of The Month -- January 2016
Joined: Feb 2013
Posts: 2,293
From: Pacific NW
Hello Yung
the ignition lock cylinder contains a chip that needs to be recognized by the PCM and BCM to complete the VAT (vehicle anti-theft) process.
The fix requires you to complete a security relearn procedure. Follow this procedure and your car should fire right up.
Security Relearn Procedure:
1. Attempt to start the car by turning the key to the Start/Run Position.
2. Observe that the vehicle fails to start and that the security light is illuminated.
3. Release key to the 'ON/Accessory' Position. (DO NOT turn key to the 'off' position, DO NOT remove the key.)
4. Allow the vehicle to sit with the key in the 'ON/Accessory' Position for no less than 11 minutes (the security light should stop flashing, if not wait up to 3 more minutes).
5. Turn key to off position and allow the vehicle to remain in the 'OFF' position for no less than 30 seconds.
6. Repeat #1 - #5 for 3 cycles.
7. On 4th-5th attempt, car should start.
NOTE : Since this is a fairly long procedure, I would limit all electrical sources, such as disconnecting headlights, to prevent discharge of battery.
NOTE 2 : It is SAFE to wait LONGER than the allotted time, but it is not safe to wait less time. I.e. 12 minutes instead of 11 minutes should be safe; however, waiting 10 minutes instead of 11 minutes is not safe.
Properly executed, this procedure should take approximately 35 minutes to complete.
the ignition lock cylinder contains a chip that needs to be recognized by the PCM and BCM to complete the VAT (vehicle anti-theft) process.
The fix requires you to complete a security relearn procedure. Follow this procedure and your car should fire right up.
Security Relearn Procedure:
1. Attempt to start the car by turning the key to the Start/Run Position.
2. Observe that the vehicle fails to start and that the security light is illuminated.
3. Release key to the 'ON/Accessory' Position. (DO NOT turn key to the 'off' position, DO NOT remove the key.)
4. Allow the vehicle to sit with the key in the 'ON/Accessory' Position for no less than 11 minutes (the security light should stop flashing, if not wait up to 3 more minutes).
5. Turn key to off position and allow the vehicle to remain in the 'OFF' position for no less than 30 seconds.
6. Repeat #1 - #5 for 3 cycles.
7. On 4th-5th attempt, car should start.
NOTE : Since this is a fairly long procedure, I would limit all electrical sources, such as disconnecting headlights, to prevent discharge of battery.
NOTE 2 : It is SAFE to wait LONGER than the allotted time, but it is not safe to wait less time. I.e. 12 minutes instead of 11 minutes should be safe; however, waiting 10 minutes instead of 11 minutes is not safe.
Properly executed, this procedure should take approximately 35 minutes to complete.
Monte Of The Month -- November 2016
Joined: May 2013
Posts: 279
From: NC
Just FYI for future reference or anyone else here, if lose keys any GM dealer can cut a new key from the VIN on pretty much anything from a 1990 model GM vehicle and up.
Takes them 5 minutes.
Takes them 5 minutes.
MOTM Mod
Joined: May 2013
Posts: 5,490
From: Nebraska
Also had extra sets on other cars made. at the GM dealer.
