RAM 1500 2021 — technical service bulletin
Bulletin 9100179 · NHTSA communication 10240962 · issued Jun 28, 2023
Technical service bulletin
communication type
Power Train
component
2021
model years
1
vehicle entries
Official summary
Transmission, Valve Body For 2021 DT with concerns related to DTC P0731 (Gear 1 Shift Incorrect ratio) contact FCA Redacted Content. If no response in 15 minutes, proceed with order.
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.