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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 338 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0274, C0275, or C0280: Isolation Valve High Temperature/Dump Valve High Temperature/Stability System Active Too Long >> Repair Instructions

Repair Instructions

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

Perform the Diagnostic Repair Verification after completing the repair.