NHTSA Service Bulletin 11028120: 2023-2025 Freightliner Sprinter 1500
Official manufacturer communication context for 2023-2025 Freightliner Sprinter 1500, 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.
Complaint The check engine light is on, with a possibility in a reduction of power, with no soot present in the exhaust system. Fault codes: P300E5F The fill level of the diesel particulate filter is too high. (Early warning) P300E5E The fill level of the diesel particulate filter is too high. Regeneration of the diesel particulate filter is disabled. Additional information: No additional fault codes related to the Diesel Particulate Filter (DPF) system or the Exhaust Gas Recirculation (EGR) system may be present for this LI to apply. Cause These fault codes may be triggered due to unfavorable driving conditions, such as: Frequent short-distance trips Extended idle periods Infrequent highway driving Incomplete regeneration cycles These conditions can lead to excessive soot accumulation in the Diesel Particulate Filter (DPF), resulting in elevated fill levels and regeneration lockout.
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 11028120?
Complaint The check engine light is on, with a possibility in a reduction of power, with no soot present in the exhaust system. Fault codes: P300E5F The fill level of the diesel particulate filter is too high. (Early warning) P300E5E The fill level of the diesel particulate filter is too high. Regeneration of the diesel particulate filter is disabled. Additional information: No additional fault codes related to the.
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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