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Q: car oem alarm on 1998 Buick LeSabre

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
car oem alarm started going off for no reason
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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There is a technical service bulletin from GM regarding this issue, and it may be the cause of your problem, but it will take a diagnosis of the system to know for sure. Take this info to a repair shop, explain the problem and the symptoms as best as possible, and inform them of the TSB# 80-90-08: info on theft deterrent alarm system
Info from Bulletin(TSB):
Subject: Information on theft deterrent alarm system
Intermittent activation and/or security light stays on
models: 1992-98 buick lesabre
On vehicles that have forced entry theft deterrent systems, a common condition has
the security light staying on for one minute or longer, or the alarm going off after
the car is locked. this may be caused by the tamper switches or wiring from theft
deterrent/rfa module to the switches.
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