Question about 1998 GMC Jimmy
It sounds like your starter Kill switch is engaging. If you have an after market alarm installed cut the power to that by removing the in line fuse or cutting the power wire. If the alarm was part of the vehicle, which sounds possible based on your post, you can try resetting the ECM by removing the Negative battery terminal for 1 min then reconnecting. There should also be a fuse for the alarm in your fuse panel. If you remove that it should disable the kill switch.
Posted on Oct 12, 2010
Your vehicle's theft deterrent passlock system is in "tamper" mode. It disables the fuel injectors. The system is notorious for crapping out and stranding people for the slightest glitch. Old key, low battery, solenoid jumping.. or fuel pump replacement.. Dunno what type of "reboot" you did, so can't give you a clear solution, but googling passlock and "relearn" or "reset" will give anyone reading this plenty of leads.
Posted on May 25, 2014
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Posted on Jan 02, 2017
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