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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Engine Heating And Cooling - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P118A, P11C9, P1387, P26C0, P26C2, P2DE8, P2E81, U111A, or U1379 >> Additional Procedures

Additional Procedures

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.

Engine Coolant Control Valve Learn - Perform only when the following component/system is replaced or serviced:Q97 Engine Coolant Flow Control Valve - Replaced