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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 668 (Anti-Lock Brake System & Engine Traction System) >> Diagnostic Information and Procedures >> DTC C0551 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  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).