OnStar Call Center Remote Function Requests Malfunction
|
|
OnStar Call Center Remote Function Requests Malfunction
|
|
Circuit/System Description
|
The telematics communication interface control module has the capability of commanding the horn, initiating door lock/unlock, or operating the exterior lamps using the serial data circuits. These functions are commanded by the OnStar® Call Center per a customer request.
The customer concern may have been due to a lack of cellular service in a given area. A failure in the National Cellular Network infrastructure that has since been corrected.
Schematic Reference
OnStar Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
OnStar Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References
for scan tool information
|
Circuit/System Verification
|
|
Important
|
|
•
|
It is necessary to inform the OnStar® Call Center advisor that this call is for vehicle diagnostic purposes.
|
|
•
|
It is necessary to have the vehicle in an open outside area where a cellular call can be successfully placed and GPS data can be received from satellites.
|
|
|
|
1.
|
Verify that the horn, lights, and the doors locks on the vehicle operate properly.
|
|
3.
|
Contact the OnStar® Call Center by pressing the blue OnStar® button. Verify with the OnStar® advisor that all of the remote functions (door locks, lights, or horn) work.
|
|
5.
|
If the remote functions do not operate when requested, replace the K73 telematics communication interface control module.
|
Perform the
Diagnostic Repair Verification
after completing the diagnostic procedure.
Control Module References
for telematics communication interface control module replacement, setup, and programming
