RAM 3500 2022–2023 — technical service bulletin
Bulletin 21-002-23 · NHTSA communication 10231775 · issued Jan 11, 2023
Technical service bulletin
communication type
Power Train
component
2022–2023
model years
4
vehicle entries
Official summary
K1 Clutch Snap Ring Repair This bulletin involves replacing the K1 clutch drum snap ring and possibly the K1input shaft drum sub-assembly. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble Code (DTC) has been set: P0731-00 - Gear 1 Shift Incorrect Ratio. This DTC will set during a key cycle and shifting into drive. Customers may also comment on the following: The transmission will not shift into/out 1st - 4th gears. 5th and reversegears are still available.
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.