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.
2000 Saturn SC2 Automatic, MP6FACTORY OEM SERVICE PROCEDURE
Seed & Key Method
NOTE:
Seed & key method takes 10 minutes to perform.
- Check BCM and PCM for existing DTCs. If DTCs exist, repair as necessary and go to next step. If no DTCs exist, go to next step.
- Install scan tool. Turn ignition switch to RUN position. Using scan tool in PROGRAMMING SYSTEM mode, select PASSLOCK RELEARN procedure. Wait 10 minutes. When SECURITY indicator light changes from a flashing or on state to an off state, turn ignition switch to OFF position. Vehicle should start on next ignition cycle.
NOTE:
If ignition switch is turned to OFF position before SECURITY indicator light changes state, relearn procedure must be restarted.
Factory Service Tools
Use the Manual With the Right Hardware
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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.