OnStar Description and Operation (UE1 with IOB/IO6)
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Micr
DTC B0997
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
appro
SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
SCHEMATIC WIRING DIAGRAMS
DRIVER ASSISTANCE SYSTEMS WIRING SCHEMATICS
Forward Collision Alert (UEU)
Lane Keep Assist (UHX)
Rear Cross T
Traction Control/Electronic
Stability Control
The Traction Control System (TCS)
limits wheel slip. The system turns
on automatically every time the
vehicle is started.
The StabiliTrak system assists with
directional control of the vehicle in
difficult driving conditions. The
system turns on automat