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step 9
Immobilizer Bypass Modules
note: Any vehicle equipped with a factory immobilizer must use an immobilizer bypass module to remote start. If not used, the vehicle ignition or fuel supply circuits could lock up and require a costly trip to the dealer to reset the computer system.
Most newer vehicles have a factory engine immobilizer system designed to prevent any unauthorized use of the vehicle. These immobilizers will cut off power to the starter and the fuel supply preventing a thief from starting the vehicle.
There are several types of immobilizers, with the most common being the resistance based passlock/passlock 2 systems found on most newer GM vehicles. This system can be bypassed using the 555L immobilizer bypass module available at your local retail dealer. The majority of
note: This unit requires you to use one of your factory keys. You may want to acquire another key from the dealer.
The BLUE wire (H1/1) of the primary harness supplies a 200mA output as soon as the control module begins the remote start process. This wire can be used to activate an immobilizer bypass unit.
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