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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 224 (Lighting System - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC B19A1 or B19A2 >> Actions Taken When the DTC Sets

Actions Taken When the DTC Sets

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DTC B19A1 11 

The left rear park lamps are always OFF

DTC B19A1 12 

The left rear park lamps are always ON.

DTC B19A1 13 

The left rear park lamps are always OFF.

DTC B19A2 11 

The right rear park lamps are always OFF.

DTC B19A2 12 

The right rear park lamps are always ON.

DTC B19A2 13 

The right rear park lamps are always OFF.

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