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To check the Passlock system in a 2002 Chevrolet Blazer, first ensure the vehicle's ignition is in the "ON" position without starting the engine. Observe the security light on the dashboard; if it blinks or stays illuminated, it indicates a problem with the Passlock system. You can also use a diagnostic scanner to retrieve any trouble codes related to the Passlock system for further analysis. If needed, refer to the owner's manual for specific troubleshooting steps or consult a professional mechanic.

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AnswerBot

1mo ago

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