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Circuit/System Verification

WARNING: This page is about a different car, the 2010 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool EBCM BPP Signal parameter while applying and releasing the brake pedal. The reading should change between Applied and Released.
  2. Verify that DTC C0277 or C0278 is not set.
  3. Replace the brake pressure modulator valve and verify DTC does not reset. If DTC reset, replace the EBCM.
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