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Home >> Cadillac >> 2017 >> XT5 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U0073 or U2100: Control Module Communication Bus A Off/CAN Bus Communication >> Circuit/System Verification

Circuit/System Verification

  1. Refer to Data Link References  to determine which serial data communication system is used for a specific device.
  2. This DTC may not be retrieved with a current status. Diagnosis is accomplished using the symptom. Refer to Symptoms - Data Communications .