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Home >> Chevrolet >> 2012 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 401 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2476 or B2482: Cellular Phone Select Service Switch >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Contact the OnStar® Call Center first before pressing the emergency button in order to notify them of the test.

  1. Ignition ON.
  2. Verify that each button of the S51 Telematics Button Assembly operates normally by pressing each button individually.
    • If none of the buttons operate normally 

      Refer to Circuit/System Testing

    • If some, but not all, of the buttons operate normally 

      Test or replace the A10 Inside Rearview Mirror

    • If all of the buttons operate normally 
  3. All OK.
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