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 MANUALSOLDSMOBILE1998ACHIEVA 3.1 M, 4T40E/MN4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2 (INSTRUMENT PANEL - ANALOG)PROGRAMMINGPASSWORD LEARN PROCEDURE
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
Password Learn Procedure
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Password Learn Procedure
WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If instrument panel cluster is replaced on vehicles with Passlock(tm) system, vehicle may start and stall (long tamper mode). If this occurs, system must go through a long tamper mode cycle to relearn password.
- Attempt to start vehicle. If vehicle does not run, go to next step. If vehicle runs, ensure SECURITY indicator turns off after about 10 seconds. If SECURITY indicator does not operate as specified, locate and repair problem in anti-theft system. See appropriate ANTI-THEFT SYSTEMS article.
- Ensure SECURITY indicator is flashing. Leave ignition switch in RUN position until indicator turns solid (about 10 minutes). Turn ignition switch to OFF position. Start vehicle and ensure system is operating properly.
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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.