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Home >> Buick >> 2016 >> Encore Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2455: Cellular Phone Microphone (Radio) >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

It is necessary to have the vehicle in a quiet, open outside area where a cellular call can be successfully placed.

  1. Ignition ON.
  2. Verify that DTC B2455 is set.
    • If DTC B2455 is not set 

      All OK.

    • If DTC B2455 is set 
  3. Verify that your voice can be heard clearly after placing a cellular call.
    • If your voice can not be heard clearly 

      Refer to Circuit/System Testing.

    • If your voice can be heard clearly 
  4. All OK.