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Circuit/System Verification

  1. With the scan tool, observe the GPS signal status indicator for at least 10 seconds. Verify the indicator displays Yes.
    • If the indicator does not display Yes, go to Component Testing.
  2. Call and verify the OnStar advisor receive GPS data.
    • If the advisor did not receive GPS data and the call was a 'fail to voice', contact the GM Technical Assistance Center.
    • If the advisor did not received GPS data and the call was not a 'fail to voice', go to Component Testing.
  3. Verify with the OnStar Call Center advisor that your actual position is within a reasonable distance from the actual location of the vehicle.
    • If your actual position is not within a reasonable distance from the actual location of the vehicle, replace the VCIM.
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