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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 300 (Fixed And MOVEABLE Windows) >> Diagnostic Information and Procedures >> DTC B1956-B1959 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

B1956 54 

The driver window motor must be replaced before DTC can be cleared

B1956 55, B1957 55, B1958 55 or B1959 55 

DTC will automatically clear after performing express function normalization procedure: Window Motor Programming - Express Function 

B1957 54 

The passenger window motor must be replaced before DTC can be cleared

B1958 54 

The left rear window motor must be replaced before DTC can be cleared

B1959 54 

The right rear window motor must be replaced before DTC can be cleared