NHTSA Service Bulletin 11016028: 2002, 2003, 2004, 2005, 2025 Tiffin Allegro Red
Official manufacturer communication context for 2002, 2003, 2004, 2005, 2025 Tiffin Allegro Red, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
CSA-043 FCCC Chassis with Cummins L9 Engine Low Pressure Fuel Hose Tiffin received from Daimler Campaign # F1016; Cummins Campaign # C7111. Cummins Inc. has decided that a defect which relates to motor vehicle safety exists in certain Cummins L9 engines manufactured between 8/4/23 and 12/21/23. Due to a manufacturing error on the low-pressure fuel hose end crimp fitting, the remote fuel filter hoses installed on the subject engines can become separated from the fuel fitting resulting in fuel leaks and lack of fuel supply to the engine. A fuel hose that becomes disconnected will result in as engine stall increasing the risk of a crash. A fuel leak in the presence of an ignition source may increase the risk of fire. Cummins has released a field Safety Campaign C7111 to correct this condition by replacing the two subject fuel hoses with hoses having improved connector crimps. Repair parts are currently available at Cummin Distributors and authorized Warranty Dealers. Ther repair will be completed free of charge and most applications will require approximately 1 hour to complete. Until the campaign is completed, Cummins advises customer to periodically check the remote fuel filter hoses for signs of leaking, and immediately seek repairs if leaks are identified.
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 11016028?
CSA-043 FCCC Chassis with Cummins L9 Engine Low Pressure Fuel Hose Tiffin received from Daimler Campaign # F1016; Cummins Campaign # C7111. Cummins Inc. has decided that a defect which relates to motor vehicle safety exists in certain Cummins L9 engines manufactured between 8/4/23 and 12/21/23. Due to a manufacturing error on the low-pressure fuel hose end crimp fitting, the remote fuel filter hoses installed on.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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