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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 207 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C025F, C0274, C0275, or C0280: Brake Master Cylinder Inlet and Isolation Valves Calibration Not Learned/Isolation Valve Calibration Not Learned/Dump Valve High Temperature/Stability System Active Too Long High Temperature >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

C0274 54 or C0280 54 

The calculated solenoid valve temperature is greater than the threshold.

C025F 00 or C0274 4B 

The isolation solenoid valve is not learned.