OnStar® Subsystem Components (Utility)

2001 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION OnStar® Subsystem Components (Utility)
Fig 1: OnStar(R) Component Locations
GM623162Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Cellular Antenna
2 Cellular Telephone Microphone
3 Global Positioning System (GPS)
4 Junction Block-Body
5 Vehicle Communication Unit
6 OnStar® Button Assembly
7 Vehicle Interface Unit
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.