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FixItMan, Master Technician
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My 1997 Oldsmobile Achieva 2.4L has a broken ignition lock

Resolved Question:

My 1997 Oldsmobile Achieva 2.4L (automatic) has a broken ignition lock cylinder. Does a new lock cylinder that is sold with keys have to be coded? Or, can I use my old keys and get the new cylinder coded for the old keys?
Submitted: 8 years ago.
Category: Car
Expert:  FixItMan replied 8 years ago.
HelloCustomer if you replace the lock cylinder is will include a new set of keys. Then you will need to reprogram the aystem as follows.

Time required, approximately 10 minutes:
  1. Insure that the battery is fully charged.
  2. Use the scan tool in order to clear the DTCs.
  3. Turn the ignition switch from the OFF position to the CRANK position attempting to start the vehicle. The vehicle will start and then stall.
  4. Leave the ignition switch in the ON position while observing the security indicator.
  5. When the security indicator turns off, which can take up to 10 minutes, turn the ignition switch off. Wait 10 seconds.
  6. The BCM and the PCM will learn the new code on the next start attempt.
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