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Home › Cadillac › 2017 › CT6 Plug-In › Repair and Diagnosis › External Pages › Different variant/trim › Section 15 (Transfer Case - Mp 3713G) › Diagnostic Information and Procedures › DTC P0602 or P064F: Control Module Not Programmed/Unauthorized Calibration Detected › Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition» On / Vehicle» In Service Mode
  2. Verify DTC P0602, P064F is not set.
    • If the DTC is set 
    1. Perform all necessary programming and setup procedures for the control module:K69 Transfer Case Control Module
    2. Verify the DTC does not set.
      • If the DTC sets» Replace the component:K69 Transfer Case Control Module
      • If the DTC is not set
    3. All OK.
    • If the DTC is not set 
  3. All OK.
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