TSIB 20-01
Service Bulletin/Repair Instructions
Technical Service Information Bulletin describing changes to the Cummins ISLG, L9N, ISB6.7G and B6.7N engine oil specifications.
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.
TSIB 20-01
Technical Service Information Bulletin describing changes to the Cummins ISLG, L9N, ISB6.7G and B6.7N engine oil specifications.
ITS6217
TECHNICAL INSTRUCTION FOR REPAIR OF CHASSIS CORROSION
SB-15-02-01
Service Bulletin - Rear Lower Radius Rod Maintenance
L3-FSV-135_C
Technical Instruction to Adjust Ride Height.
L3-FSV-223
Technical Instruction to Replace BRT Front Door Slow Start Valve.
L3-FSV-199
Technical Instruction - Roof Cap Bolt Addition.
L3-FSV-141
Technical Instruction to Repair Battery Disconnect Compartment.
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.