IK1500105
Service Bulletin/Repair Instructions
Bus Diesel fuel Cap Leaks; only models built 11/30/2020 through 05/18/2023
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.
IK1500105
Bus Diesel fuel Cap Leaks; only models built 11/30/2020 through 05/18/2023
IK1200101
Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
IK0800554
Telematics installation guidelines - Only units with 500K data link
IK0800407
Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles equipped with PSI engines or Cummins ISB engine with Allison transmissions
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.