This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Microphone
Cellular antenna
Navigation antenna
Blueto
The Emergency Road Assistance Global Navigation Satellite System (ERA GLONASS)
consists of the
following components:
Telematics communication interface control module
Telematics two button assembl
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Microphones
Cellular antenna
Navigation antenna
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Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provide an overview of each diagnostic
category.
DTC Descriptors
DT
Special Tools
EN-45059 Angle Meter
EN-50790 HP Fuel Pump Installation Alignment Gauge
For equivalent regional tools, refer to Special Tools.
1.
Install a NEW gasket (1) on the intake manifold (3). Install the intake
manifold and hand start the intake
manifold bolts (2, 4).
2.
CAUTION: Refer