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Home >> Chevrolet >> 2011 >> Impala Police >> Repair and Diagnosis >> External Pages >> Different car >> Section 1117 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0131 >> Circuit/System Validation

Circuit/System Validation

WARNING: This page is about a different car, the 2010 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC C0277, B3445 or B3884 is not set.
  2. Ignition ON, observe the scan tool EBCM BPP Signal parameter. The reading should be Released and change between Applied and Released when pressing and releasing the brake pedal.
  3. Ignition ON, observe the scan tool EBCM Brake Pressure Sensor Input Voltage parameter. The reading should change when pressing and releasing the brake pedal.
    • If not within the specified value, replace the EBCM.
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