Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U0400 - U05FF: Control Module >> Conditions for Running the DTC

Conditions for Running the DTC

Battery voltage is between 9-16 V and data link communications operate normally.