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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0572 or P0573: Brake Switch >> Circuit/System Verification

Circuit/System Verification

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.
  1. Ignition On/Vehicle in Service Mode.
  2. Verify that the stop lamps operate properly and that no B22 Brake Pedal Position Sensor related DTCs are set.
    • If no brake pedal position sensor related DTCs are set 
  3. Refer to Circuit/System Testing.
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