RAM 2500 2019–2020 — technical service bulletin
Bulletin 18-020-24 REV. A · NHTSA communication 11001322 · issued May 8, 2024
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
2
vehicle entries
Official summary
"Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● 68RFE Transmission sump temperature derate. This bulletin involves reprogramming the ECM/PCM with the latest available software."
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.