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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-599 STEP 4. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Pattern 19 (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. DTC P1590: TCM to ECM Communication Error in Torque Reduction Request . TECHNICAL DESCRIPTIONS OF The ECM checks whether the errors in data commu- . MONITOR EXECUTION Continuous . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Not applicable . |