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Home >> Cadillac >> 2011 >> STS AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0280 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, verify that DTC C0186, C0196, C019B, or C0710 is not set as a present DTC.
  2. Ignition OFF, inspect the B99 Steering Wheel Angle Sensor and B119 Multi-axis Acceleration Sensor for correct installation.
    • If loose or incorrect installation is diagnosed, correct the installation of the component.
  3. Ignition ON, verify that DTC C0280 54 is not set as a present DTC.
    • If DTC C0280 54 is present, replace the K17 Electronic Brake Control Module (EBCM) and verify DTC does not reset. If the DTC resets, replace the Q5 brake pressure modulator valve assembly.