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  1. J

    Theft det flash when locking no alarm

    Fixed it had to reopen and close all door. Alarm starts working again
  2. J

    Theft det flash when locking no alarm

    Anyone have this issue and what is the fix. 2003 GMC Yukon slt 4x4 bought a new key fob and Reprogrammed both the original and new one. Both of the key fobs work but when locking the vehicle the Theft det flash and The horn doesn’t honk and the alarm does not active. When unlocking/locking...

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