Freightliner Sprinter 1500 2019–2024 — technical service bulletin
Bulletin LI09.40-N-079144_4 · NHTSA communication 11017561 · issued Apr 25, 2025
Technical service bulletin
communication type
Engine
component
2019–2024
model years
37
vehicle entries
Official summary
Check engine light with reduced power with fault codes P300A6D, P300974, P300DFB, or P300DE8 Complaint: The check engine light is activated, accompanied by one or more of the following fault codes related to the Boost Pressure Positioner: • P300A6D The boost pressure is too low. Charge Air Cooler. • P300974 Component 'Boost pressure positioner' has a malfunction. The boost pressure is too low. • P300DFB Component 'Boost pressure positioner' has a malfunction. • P300DE8 Boost pressure control A has a malfunction after the cold start. Cause: The potential causes for these fault codes are: A. Lea
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)
- 2024 Mercedes-Benz Esprinter
- 2021 Mercedes-Benz Sprinter 1500
- 2022 Mercedes-Benz Sprinter 1500
- 2023 Mercedes-Benz Sprinter 1500
- 2024 Mercedes-Benz Sprinter 1500
- 2021 Mercedes-Benz Sprinter 2500
- 2022 Mercedes-Benz Sprinter 2500
- 2023 Mercedes-Benz Sprinter 2500
- 2024 Mercedes-Benz Sprinter 2500
- 2021 Mercedes-Benz Sprinter 3500
- 2022 Mercedes-Benz Sprinter 3500
- 2023 Mercedes-Benz Sprinter 3500
- 2024 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.