22-NA-226
Service Bulletin/Repair Instructions
This informational bulletin provides information on Information on 6500XD/7500XD Medium Duty (LCF) with the 6.7L Cummins Diesel Engine.
Vehicle report
2021 CHEVROLET 7500XD
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.
18NA235
Service Bulletin/Repair Instructions
This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
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.