What happens if the GM security system goes down?
If only ONE part of that system goes down, the car will either not start or it will start but die in a matter of seconds. Every GM security system works on this one simple principle: The Key/Lock component sends an input signal to the TDM/BCM through the wiring.
What’s the purpose of the GMC clean program?
GMC is introducing GMC Clean, a new program to help provide a clean environment for the purchase or service of a new or used vehicle at participating dealerships. is designed to help motorists understand their driving behaviors, see how they compare to other anonymous drivers and help them adopt smarter driving habits.
How does a GM anti theft system work?
Each GM anti-theft system disables different components. Some disable the engine starter, while others enable the starter but disable fuel injectors. None of them disable spark. So, first understand the difference between vehicle theft deterrent systems. GM used two strategies to determine if someone was trying to steal the vehicle.
When to know if your GM car has a theft problem?
When you get a no start, intermittent start, or start then die, you should first determine which GM anti-theft system you have. Then diagnose the anti-theft system before you start replacing starting components. A tell-tale sign that you’ve got an anti-theft problem is a flashing “Theft” light.
Why are there security systems in GM cars?
These security systems were incorporated into many of their models, including the ’97-03 N-bodies, to keep GM cars from being stolen. It’s not uncommon to have a glitch in the theft passlock system that prevents owners from starting their vehicles. It’s a pesky problem, but easily dealt with when you bypass the system.
Is there an anti theft system on a GM car?
GM has used a variety of anti-theft systems on their vehicles. When you get a no start, intermittent start, or start then die, you should first determine which GM anti-theft system you have. Then diagnose the anti-theft system before you start replacing starting components.
When you get a no start, intermittent start, or start then die, you should first determine which GM anti-theft system you have. Then diagnose the anti-theft system before you start replacing starting components. A tell-tale sign that you’ve got an anti-theft problem is a flashing “Theft” light.
Why are there passlocks on all GM cars?
One of the more common “blotches” that is annoying, but easy to patch-up, is General Motor’s anti-theft passlock security systems. These security systems were incorporated into many of their models, including the ’97-03 N-bodies, to keep GM cars from being stolen.