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Home >> Chevrolet >> 2015 >> Express 2500 Base, Van Cargo, 6.6L Eng VIN L >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0074: Control Module Powertrain Expansion Communication Bus >> Repair Instructions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

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