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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C0131 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, run BPS calibration using Tech 2. Cycle ignition and verify that DTC C0131 is set
  2. Verify that DTC C0277 or C0278 is not set.
  3. Ignition ON, observe the scan tool EBCM BPP parameter while applying and releasing the brake pedal. The reading should change between Applied and Released.
    • If the parameter does not change between applied and release, replace the BPMV/EBCM assembly.
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