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
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after removal.
Application
O-Ring at PTU Output Shaft
O-Ring at Rear Differential Input Shaft
Retaining Ring at PTU Output
Heater and Air Conditioning User Interface Control Replacement
Preliminary Procedure
Instrument Panel Lower Trim Panel Replacement.
Heater and Air Conditioning User Interface Control Bolt[2x]
CAUTION:
Fastener Caution.
Tighten
2.5N.m (22 lb in)
Heater and Air Conditioning User Interface Cont