What is OnStar communication system?

What is OnStar communication system?

OnStar is a subsidiary of General Motors that provides a number of in-vehicle and remote services to millions of GM vehicles. By gathering information through your vehicles’ on-board diagnostics system, along with GPS data. It also utilizes cellular technology for voice communication and data transmissions.

Do you need to programming a replacement OnStar module?

All replacement OnStar modules require TIS2Web programming. Complete every step of the Communication Interface Module Programming and Setup procedure. U.S. dealerships should not select the TIS2Web selection that refers to Canadian upgrade bulletin #15-08-44-001 on a vehicle that has not had the Canadian upgrade performed.

Why is OnStar not working on my car?

vehicle communication interface module (VCIM) replacement during servicing, may have a condition in which at the time of communication module replacement, some modules were partially programmed or not programmed, rendering the OnStar feature without complete functionality.

Where is the OnStar control box in my car?

The Onstar control box should be a small metal box attached to the side of the vehicle (if in the trunk) or inside the plastic paneling (in the dash or behind the glove box). It will usually have an OnStar or LG logo. Don’t remove the box. If you do not see the module on the right side, try the left side of the trunk. Unplug all three connectors.

How is the 42 pin OnStar connector secured?

The 42-pin connector is secured in place by a lever lock, depressing a tab on the out edge will allow the lever lock to rotate in an arc away from the cable harness and release the connector from the control module. The OnStar module itself is secured in a plastic frame that is reusable as a mount for the Bluestar once it is removed.

Where can I find the OnStar control module?

TIP: Depending on model and model year, the OnStar module also may be identified in the Service Information, TIS2Web, the parts catalog, or a scan tool as the Vehicle Communication Interface Module (VCIM), Communication Interface Module, Telematics Communication Interface Control Module, or OnStar Vehicle Interface Unit (VIU).

vehicle communication interface module (VCIM) replacement during servicing, may have a condition in which at the time of communication module replacement, some modules were partially programmed or not programmed, rendering the OnStar feature without complete functionality.

How to program a replacement OnStar module in tis2web?

Do not select an incorrect option that does not apply to the vehicle (e.g. Export, Only for RPO XXX, etc.). Select the Reprogram ECU option at the start of TIS2Web programming. Do not select the Replace and Reprogram ECU option.

The 42-pin connector is secured in place by a lever lock, depressing a tab on the out edge will allow the lever lock to rotate in an arc away from the cable harness and release the connector from the control module. The OnStar module itself is secured in a plastic frame that is reusable as a mount for the Bluestar once it is removed.