SECURITY Indicator

1999 GMC Forward Control 5.7 R, AutomaticSECTION SECURITY Indicator
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Instrument Panel Cluster (IPC) receives a class 2 message from Body Control Module (BCM) requesting illumination and illuminates SECURITY indicator in message center as determined by Vehicle Theft Deterrent (VTD) system and Content Theft Deterrent (CTD) system when following occurs:

  • VTD system requests IPC to illuminate indicator only when ignition switch is in RUN position. VTD system uses indicator as a malfunction indicator.
  • CTD system requests IPC to illuminate indicator only when ignition switch is OFF. CTD system uses indicator in order to identify system status.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are not confident in the next step or safety outcome.