RAM 2500 2024 — technical service bulletin
Bulletin 21-012-25 REV. E · NHTSA communication 11025498 · issued Nov 6, 2025
Technical service bulletin
communication type
Power Train
component
2024
model years
2
vehicle entries
Official summary
Not applicable to vehicles built for US market. Rear Selective Thrust Washer Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0218-00 - Transmission High Temperature Operation Activated. ● P0716-00 - Input Speed Sensor 1 Circuit Performance. ● P0729-00 - Gear 6 Shift Incorrect Ratio. ● P0731-00 - Gear 1 Shift Incorrect Ratio. ● P0732-00 - Gear 2 Shift Incorrect Ratio. ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P0734-00 - Gear 4 Shift Incorrect Ratio. ● P0735-00 -
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.