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 MANUALSSATURN2000LW1 L4-2.2L VIN FREPAIR AND DIAGNOSISTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGPASSLOCK - PROGRAMMING
2000 Saturn LW1 L4-2.2L VIN F
PASSLOCK - Programming
2000 Saturn LW1 L4-2.2L VIN FSECTION PASSLOCK - Programming
There are two methods used to program/reprogram the passlock system. These are the Seed and Key Method and the Auto Learn Method.
Seed And Key Method
^ This method takes about 10 minutes for programming
^ A programming system is required (refer to TISS 2000/Tech 2 User Guide).
^ A Scan tool is required.
Auto Learn Method (optional)
^ This method is usable if the Passlock sensor was the ONLY required system part change. BCM or ECM/PCM replacement requires use of SEED and KEY method.
^ This method takes about 30 minutes.
^ A Scan tool is not required.
Both methods are included in the flow chart on the next page.
IMPORTANT: If no passlock components are replaced the 30 minute auto-learn can always be used.
The table shows when the relearn procedure needs to be performed.
IMPORTANT: If the BCM or PCM are not new replacement parts, the relearn procedure must be performed. Using a module from another vehicle requires the relearn procedure to be performed.
Seed And Key Method
^ This method takes about 10 minutes for programming
^ A programming system is required (refer to TISS 2000/Tech 2 User Guide).
^ A Scan tool is required.
Auto Learn Method (optional)
^ This method is usable if the Passlock sensor was the ONLY required system part change. BCM or ECM/PCM replacement requires use of SEED and KEY method.
^ This method takes about 30 minutes.
^ A Scan tool is not required.
Both methods are included in the flow chart on the next page.
IMPORTANT: If no passlock components are replaced the 30 minute auto-learn can always be used.
The table shows when the relearn procedure needs to be performed.
IMPORTANT: If the BCM or PCM are not new replacement parts, the relearn procedure must be performed. Using a module from another vehicle requires the relearn procedure to be performed.
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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.