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Home >> Chevrolet >> 2007 >> HHR LS, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System & Engine Traction System >> Diagnostic Information and Procedures >> DTC C0551 >> Circuit/System Verification

Circuit/System Verification

  1. Verify that the EBCM is the correct module for the vehicle.
    • Reprogram the EBCM.
    • If the EBCM is not correct, replace the EBCM.
  2. With ignition OFF, separate the EBCM from the brake pressure modulator valve (BPMV).
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