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Communities > Diagnostics > Asian Cars > alarm system on random at night
alarm system on random at night

1054 Views 2 Replies Latest reply: 2019-11-26 23:28:23


  •   Level 1   
    (5) points

    2019-11-23 18:54:50
    Hi guys I have a trouble with a Lexus rx350 2012 . the alarm system on random every night . I them the battery and have a good battery. I replaced my battery on my key fob . the problem still there . what is the next step ? Tanks

    Reply

  •   Level 9   
    (5837) points
    Ashraf

    2019-11-25 08:37:21 (Reply to:)

     You need to diagnose the vehicle to see if there are any fault codes in the system...........it could be one of your door lock is playing up..................You need to look in to the live data when all doors closed what readings you have..............
    Reply

  •   Level 7   
    (1473) points
    Kevin H

    2019-11-26 23:28:23 (Reply to:)

    I'm not sure about Lexus but most cars will have a parameter that tells you why the
    alarm triggered the last time. Door pin switch, hood pin switch or whatever caused the
    alarm.
    Reply
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