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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 171 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B1980 >> DTC Descriptor

DTC Descriptor

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DTC B1980

No Environment Identifier Received From Brake System Control Module 1

For symptom byte information, refer to Symptom Byte List .