D20M4
Service Bulletin/Repair Instructions
DDC Field service campaign for GHG17 Detroit DD13 engines requiring software reprogramming and new emission label replacement. This field service applies only to MCI (Motor Coach Industries) vehicles.
Vehicle report
2009 MCI J4500C
Service bulletins
2 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SB-402
Service Bulletin/Repair Instructions
MCI: AN INCORRECT PART FOR APPLICATION FOR DIESEL EXHAUST FLUID (DEF) NOZZLE SUPPLY HOSE AND METERING UNIT FITTING RESULTED IN LEAKING DEF, THE ILLUMINATION OF CHECK ENGINE TELL TALE LIGHT ON INSTRUMENT PANEL AND IF NOT ADDRESSED, ENGINE WOULD INITIATE SHUTDOWN SEQUENCE. MODEL J4500. NO YEARS LISTED. *PE
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.