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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 393 (Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B13AA (UQT) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The following verification requires the vehicle to be outside with an unobstructed view of the southern sky. Allow 5 minutes after turning the ignition ON for the vehicle to acquire the GPS satellites signal.

  1. Ignition ON.
  2. Verify the vehicle is equipped with RPO UE1 and DTC B13AA is not set in the K73 Telematics Control Module or GPS reception/location is correct.
    • If DTC B13AA is set in the K73 Telematics Control Module or GPS reception/location is not correct 

      Refer to Circuit/System Testing With RPO UE1.

    • Go to next step: If vehicle is not equipped with RPO UE1 
  3. Verify DTC B13AA is not set in the A11 Radio or GPS reception/location is correct.
    • If DTC B13AA is set in the A11 Radio or GPS reception/location is not correct. 

      Refer to Circuit/System Testing Without RPO UE1

    • Go to next step: If DTC B13AA is not set in the A11 Radio or GPS reception/location is correct. 
  4. All OK.
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