Freightliner Sprinter 1500 2019–2025 — technical service bulletin
Bulletin LI49.20-N-078466_4 · NHTSA communication 11033165 · issued May 8, 2026
Technical service bulletin
communication type
Fuel/propulsion System
component
2019–2025
model years
39
vehicle entries
Official summary
Check engine light with fault code P3005CA in MRD1 (CDI) Complaint The check engine light is on, with a possiblility in a reduction of power and the presence of soot in the exhaust system. Fault code P3005CA: The diesel particulate filter efficiency is insufficient. Additional information: Additional fault codes may be present, related to the Diesel Particulate Filter (DPF) system or the Exhaust Gas Recirculation (EGR) system. Cause This fault code sets due to the following factors: 1. Damage to the Diesel Particulate Filter (DPF) unit. 2. The N74 (Soot Particulate Sensor Control Unit) identif
Vehicles covered
- 2021 Freightliner Sprinter 1500
- 2022 Freightliner Sprinter 1500
- 2023 Freightliner Sprinter 1500
- 2024 Freightliner Sprinter 1500
- 2021 Freightliner Sprinter 2500
- 2022 Freightliner Sprinter 2500
- 2023 Freightliner Sprinter 2500
- 2024 Freightliner Sprinter 2500
- 2021 Freightliner Sprinter 3500
- 2022 Freightliner Sprinter 3500
- 2023 Freightliner Sprinter 3500
- 2024 Freightliner Sprinter 3500
- 2021 Freightliner Sprinter 4500
- 2022 Freightliner Sprinter 4500
- 2023 Freightliner Sprinter 4500
- 2024 Freightliner Sprinter 4500
- 2019 Freightliner Sprinter (VS30)
- 2020 Freightliner Sprinter (VS30)
- 2021 Mercedes-Benz Sprinter 1500
- 2022 Mercedes-Benz Sprinter 1500
- 2023 Mercedes-Benz Sprinter 1500
- 2024 Mercedes-Benz Sprinter 1500
- 2025 Mercedes-Benz Sprinter 1500
- 2021 Mercedes-Benz Sprinter 2500
- 2022 Mercedes-Benz Sprinter 2500
- 2023 Mercedes-Benz Sprinter 2500
- 2024 Mercedes-Benz Sprinter 2500
- 2025 Mercedes-Benz Sprinter 2500
- 2021 Mercedes-Benz Sprinter 3500
- 2022 Mercedes-Benz Sprinter 3500
- 2023 Mercedes-Benz Sprinter 3500
- 2024 Mercedes-Benz Sprinter 3500
- 2025 Mercedes-Benz Sprinter 3500
- 2021 Mercedes-Benz Sprinter 4500
- 2022 Mercedes-Benz Sprinter 4500
- 2023 Mercedes-Benz Sprinter 4500
- 2024 Mercedes-Benz Sprinter 4500
- 2019 Mercedes-Benz Sprinter (VS30)
- 2020 Mercedes-Benz Sprinter (VS30)
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.