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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 >> Diagnostic Fault Information

Diagnostic Fault Information

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.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5V Reference P0557 P0557 - P0556
Sensor Signal P0557 P0557 P0558 P0556
Low Reference - P0557 - P0556
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