Bypass the Passlock 2 on a 1999 to 2006 GM Vehicle
GM Security Systems are killing cars all over the US. Has the dreaded GM Security system just hit you? If you're reading this, , Grand AM. Keep the key in this position for 30 seconds. By doing so, you'll let your car's security system know that you have the right key and can disable the alarm.
There is a way to bypass this problem by going under the dash behind the glove box at the control box. There is a. there is a way to bypass the system we do it often but you will need to buy a data bypass unit to install in order to bypass the passlock sensor in the dash. To resolve the problem I have to leave the key in the ignition with it in the "ON" position for 12 minutes to reset the sensor. The sensor light wiull stop.
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