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Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Data Communication System >> Diagnostic Information and Procedures >> DTC C0550 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

IMPORTANT: It is recommend that the defective components be replaced, and not the complete brake master cylinder assembly.
DTC C0550 will set as result of internal EBCM circuit failure.