Circuit/System Testing
- Ignition - On/Vehicle - In Service Mode
- Operate the component: OnStar
- If the component does not activate/If a related DTC is set
- Repair as necessary
- Go to next step: If the component activates/If a related DTC is not set
- Operate the component: OnStar
- OnStar = OK
- OnStar OK
- Contact the customer and advise them that for security purposes, they must contact OnStar and the law enforcement agency to update the vehicle account. Disconnect the electrical connector:
- Go to next step: OnStar = OK
- All OK.