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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 B19A3 or B19A4 >> Actions Taken When the DTC Sets

Actions Taken When the DTC Sets

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DTC B19A3 11 

The left daytime running lamp will be always OFF.

DTC B19A3 12 

The left daytime running lamp will be always ON.

DTC B19A3 13 

The left daytime running lamp will be always OFF.

DTC B19A4 11 

The right daytime running lamp will be always OFF.

DTC B19A4 12 

The right daytime running lamp will be always ON.

DTC B19A4 13 

The right daytime running lamp will be always OFF.

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