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Gary, Technician
Category: Car
Satisfied Customers: 16900
Experience:  GM master tech for 15 years/ASE master tech for 20 years
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Where is the vehicle interface control unit

Customer Question

where is the vehicle interface control for onstar unit
Submitted: 2 years ago via Mitchell1DIY.
Category: Car
Expert:  Gary replied 2 years ago.
I am sorry for the long wait the on star module or called VIU ( vehicle interface unit ) is located in the truck # ***** in this picturethe module # ***** antenna cable plugs into is basically the on star module# ***** in the picture is the GPS module which # ***** is the GPS cable connects intothey used 2 modules basically one for GPS and one for the On Star emergency module if you are disabling they systems just unplug both cables and the electrical connections into both modules
Expert:  Gary replied 2 years ago.
how are you making out ?