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RecallGazette

Vehicle problems, recalls & safety intelligence

Dodge Sprinter 2500 2003–2024technical service bulletin

Bulletin LI49.20-N-078838 · NHTSA communication 11014728 · issued Feb 4, 2025

Technical service bulletin
communication type
Fuel/propulsion System
component
2003–2024
model years
60
vehicle entries

Official summary

Complaint The check engine light or AdBlue warning is activated, accompanied by one or more of the following fault codes rela- ted to the AdBlue tank: P206B31: Malfunction of the concentration sensor for AdBlue; the signal is absent. P203B31: Malfunction of the AdBlue fill level sensor; the signal is absent. P300494: The quality of the AdBlue is insufficient. Cause A. The software for the AdBlue (SCR) control unit (N118/5) is outdated. B. The concentration of AdBlue is either above or below the Mercedes-Benz specifications, which can lead to prema- ture freezing. C. Frozen or partially frozen

Vehicles covered

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.