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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System (Hybrid) >> Diagnostic Information and Procedures >> DTC C1594 >> Circuit/System Verification
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Circuit/System Verification

  1. Vehicle in Service Mode.
  2. Verify that no other DTCs are set except for C1594.
    • Go to next step: If no other DTCs are set 
  3. Replace the K17 Electronic Brake Control Module.