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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Hydraulic Brake System) >> Diagnostic Information and Procedures >> DTC P0556, P0557, or P0558: Brake Booster Pressure Sensor >> Conditions for Running the DTC

Conditions for Running 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.

P0556 

Engine Running.

P0557 or P0558 

Ignition ON/Ignition ON/Vehicle in Service Mode.

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