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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (HVAC - Automatic) >> Diagnostic Information and Procedures >> DTC B2A1E-B2A21 (L3B, LSY) >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2A1E 00

Front Faceplate Air Distribution Discrete Control Front Left 3 Circuit High

DTC B2A1F 00

Front Faceplate Air Distribution Discrete Control Front Left 3 Circuit Low

DTC B2A21 00

Front Faceplate Air Distribution Discrete Control Front Left 3 Performance