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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2002 chevy silevrado 2500 no communication with security module,

Customer Question

2002 chevy silevrado 2500 no communication with security module, no start, cranks, has spark, has injector pulse, has fuel, and good compression. Is it possible the passcode is not being generated for the computer to run the engine?
Submitted: 1 year ago.
Category: Chevy
Expert:  BOBBYSS replied 1 year ago.
Hello, my name is***** for the question. If I am not online when you return please give me some time to get back to you. Can you tell me if the security light is on or flashing when cranking the engine? Did it die while driving or just refuse to start all of a sudden?