RAM 3500 2025–2026 — technical service bulletin
Bulletin S2523000055 REV.B · NHTSA communication 11029769 · issued Feb 25, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
2
vehicle entries
Official summary
Mil-On/Check Engine Lamp (CEL), Antilock Brake System (ABS) Lamp, Diagnostic Trouble Code (DTCs).
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.