LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2016 >> Spark LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Cellular System, Entertainment System And Navigation System) >> Diagnostic Information and Procedures >> OnStar Call Center Remote Function Requests Malfunction >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • 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. Ignition ON/vehicle in Service Mode.
  2. Verify that the horn, lights and the door locks on the vehicle operate properly.
    • If all applicable vehicle systems operate properly 
  3. Verify that a call can be successfully placed to the OnStar® Call Center by pressing the blue OnStar® button.
    • If able to contact the OnStar® Call Center 
  4. Verify with the OnStar® advisor that all remote functions (door locks, lights and horn) work.
    • If the remote functions do not operate when requested 

      Replace the K73 Telematics Communication Interface Control Module

    • If the remote functions operate when requested 
  5. All OK.