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Home >> Hyundai >> 2004 >> Sonata GLS >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System - 2.7L -- Sonata >> General >> Troubleshooting >> MFI Troubleshooting Procedures >> Problem
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

MFI Troubleshooting Procedures: Problem

Communication with scan tool is not possible. (Cannot communicate with any system) 

Fig 1: Unable To Communicate With Any System Diagnostic Flow Chart
G00753852Courtesy of HYUNDAI MOTOR CO.