FixVault

Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC U1967 is not set.
    • If DTC U1967 is set 
    1. Using the scan tool under A11 Radio > Configuration/Reset Functions > Reset Functions > License Compliance Materials Download Error Counter Reset.
    2. Verify DTC U1967 is not set.
      • If DTC U1967 is set.

        Replace the K73 Telematic Control Module

      • Go to next step: If DTC U1967 is not set.

        Go to next step: All OK

    • Go to next step: If DTC U1967 is not set 
  3. All OK