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Home >> GMC >> 2014 >> Sierra 2500 HD SLT, 6.6L Eng VIN 8, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0400 - U05FF: Control Module Error >> Repair Instructions

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for control module replacement, setup, and programming