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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Driver Assistance Systems - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P1589 >> Diagnostic Aids

Diagnostic Aids

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.

Holding the lane keep assist switch for an extend period of time can cause DTC P1589 to set.