ITS59303
Service Bulletin/Repair Instructions
Technical Instruction describing hos to remove, rework, and replace the stop request sign support bracket, to promote clearance for electrical wiring.
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.
ITS59303
Technical Instruction describing hos to remove, rework, and replace the stop request sign support bracket, to promote clearance for electrical wiring.
ITS59280
Technical Instruction describing how to remove and install a decal indicating CNG fuel system tank expiry date.
ITS59144
Technical Instruction describing how to relocate a drain hole in engine compartment.
ITS58951
Technical Instruction on how to install California Proposition 65 Labels for Non - Diesel Vehicles
SMB191
Service Manual Bulletin - Changes to Cummins ISLG and L9N engine oil specifications and oil change intervals.
ITS58911
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling systems on 2 and 3 axle vehicles. (Supersedes ITS58860)
TSIB 20-01
Technical Service Information Bulletin describing changes to the Cummins ISLG, L9N, ISB6.7G and B6.7N engine oil specifications.
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.