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 MANUALSCHEVROLET2001LUMINA V6-3.1L VIN JREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYSERVICE AND REPAIRPROGRAMMING REPLACEMENT KEYS, IGN CYL, OR PCM
2001 Chevrolet Lumina V6-3.1L VIN J
Programming Replacement Keys, IGN CYL, or PCM
2001 Chevrolet Lumina V6-3.1L VIN JSECTION Programming Replacement Keys, IGN CYL, or PCM
Use the following procedure when you install a new theft deterrent module. New theft deterrent modules are unprogrammed.
When you replace a theft deterrent module, program it to accept the resistance value of the existing vehicle keys in order to allow PASS-Key II operation. Otherwise, the theft deterrent system will not operate correctly.
A new service replacement theft deterrent module is programmed to store the first resistor pellet code that it detects.
IMPORTANT:
^ On Special Equipment Option (SEO) vehicles only (SEO Vehicle,Police Car, Limited Content, SEO Vehicle Taxi Cab), leave the theft deterrent module unprogrammed because the ignition key does not have a resistor pellet. Refer to Vehicle Theft Deterrent (VTD) Description and to Vehicle Theft Deterrent (VTD) System Check.
^ Before connecting the J 35628-A to the ignition lock cylinder circuit, verify the customer's ignition key resistor pellet code. Set the same ignition key resistor pellet code into the J 35628-A by using the key code knob. This will prevent programming a new theft deterrent module with an undesired ignition key resistor pellet code.
1. Install the new, unprogrammed theft deterrent module.
2. Insert one of the customer's ignition keys into the ignition lock cylinder.
3. Turn the ignition lock cylinder to the RUN position.
4. Start the engine in order to verify that the system operates correctly.
5. Observe if the SECURITY indicator lamp:
^ If the lamp turns ON for about 5 seconds and then turns OFF, the programming of the new theft deterrent module is successfully completed.
^ If the lamp flashes at a rate of 1 flash per second (or until the ignition switch is turned to the OFF position) and the engine starts, the programming is not complete. The new theft deterrent module did not store the resistor pellet code.
Inspect for the following conditions before you repeat the programing procedure:
- The theft deterrent module connector has poor terminal contact.
- The ignition lock cylinder circuits have opens, shorts to battery, or shorts to ground
- The resistor sensing contacts are faulty.
- The ignition key resistor pellet is faulty.
When you replace a theft deterrent module, program it to accept the resistance value of the existing vehicle keys in order to allow PASS-Key II operation. Otherwise, the theft deterrent system will not operate correctly.
A new service replacement theft deterrent module is programmed to store the first resistor pellet code that it detects.
IMPORTANT:
^ On Special Equipment Option (SEO) vehicles only (SEO Vehicle,Police Car, Limited Content, SEO Vehicle Taxi Cab), leave the theft deterrent module unprogrammed because the ignition key does not have a resistor pellet. Refer to Vehicle Theft Deterrent (VTD) Description and to Vehicle Theft Deterrent (VTD) System Check.
^ Before connecting the J 35628-A to the ignition lock cylinder circuit, verify the customer's ignition key resistor pellet code. Set the same ignition key resistor pellet code into the J 35628-A by using the key code knob. This will prevent programming a new theft deterrent module with an undesired ignition key resistor pellet code.
1. Install the new, unprogrammed theft deterrent module.
2. Insert one of the customer's ignition keys into the ignition lock cylinder.
3. Turn the ignition lock cylinder to the RUN position.
4. Start the engine in order to verify that the system operates correctly.
5. Observe if the SECURITY indicator lamp:
^ If the lamp turns ON for about 5 seconds and then turns OFF, the programming of the new theft deterrent module is successfully completed.
^ If the lamp flashes at a rate of 1 flash per second (or until the ignition switch is turned to the OFF position) and the engine starts, the programming is not complete. The new theft deterrent module did not store the resistor pellet code.
Inspect for the following conditions before you repeat the programing procedure:
- The theft deterrent module connector has poor terminal contact.
- The ignition lock cylinder circuits have opens, shorts to battery, or shorts to ground
- The resistor sensing contacts are faulty.
- The ignition key resistor pellet is faulty.
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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.