AFC-12913
Service Bulletin/Repair Instructions
NAVISTAR: CLICK DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODELS, INFORMATION IS PROVIDED REGARDING UPDATE OF ELECTRONIC CONTROL MODULE (ECM) RECALIBRATION. *PE
Vehicle report
Technical 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.
AFC-12913
NAVISTAR: CLICK DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODELS, INFORMATION IS PROVIDED REGARDING UPDATE OF ELECTRONIC CONTROL MODULE (ECM) RECALIBRATION. *PE
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.