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RecallGazette

Vehicle problems, recalls & safety intelligence

Freightliner Sprinter 1500 2019–2024technical 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

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.