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 DIAGNOSISTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGTHEFT DETERRENT - UNPROGRAMMED MODULE
2001 Chevrolet Lumina V6-3.1L VIN J
Theft Deterrent - Unprogrammed Module
2001 Chevrolet Lumina V6-3.1L VIN JSECTION Theft Deterrent - Unprogrammed Module
If you replace a theft deterrent mode, program it to accept the resistance value of the existing vehicle keys in order to allow correct operation of PASS-key II.
A new service replacement theft deterrent module is programmed to store the first resistor pellet code it detects.
When the theft deterrent module is unable to detect a valid PASS-Key II resistor pellet code, the programming sequence never ends. During the programming sequence, the theft deterrent module performs the following actions:
^ Flashes the SECURITY indicator.
^ Enables the theft deterrent relay, which enables the starter circuit.
^ Sends a password to the PCM through the fuel enable signal circuit
The password enables fuel delivery to the engine.
^ The engine starts.
^ The programming sequence ends when the theft deterrent module is able to detect a valid PASS-key II resistor pellet code.
The engine starts. The programming sequence ends when the theft deterrent module is able to detect a valid PASS-key II resistor pellet code.
A new service replacement theft deterrent module is programmed to store the first resistor pellet code it detects.
When the theft deterrent module is unable to detect a valid PASS-Key II resistor pellet code, the programming sequence never ends. During the programming sequence, the theft deterrent module performs the following actions:
^ Flashes the SECURITY indicator.
^ Enables the theft deterrent relay, which enables the starter circuit.
^ Sends a password to the PCM through the fuel enable signal circuit
The password enables fuel delivery to the engine.
^ The engine starts.
^ The programming sequence ends when the theft deterrent module is able to detect a valid PASS-key II resistor pellet code.
The engine starts. The programming sequence ends when the theft deterrent module is able to detect a valid PASS-key II resistor pellet code.
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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.