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Home >> Cadillac >> 2020 >> XT6 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Remote Functions) >> Diagnostic Information and Procedures >> DTC B3121 >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON.
  2. Verify that DTC B3122, B3123, or B3124 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Refer to Circuit/System Testing.