RAM 3500 2019–2023 — technical service bulletin
Bulletin 2100223 · NHTSA communication 10243266 · issued Aug 19, 2023
Technical service bulletin
communication type
Power Train
component
2019–2023
model years
15
vehicle entries
Official summary
K1 Clutch Snap Ring Repair Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble 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/or out of 1st - 4th gears. 5th and reverse gears are still available. This bulletin involves replacing the K1 clutch drum snap ring and possibly the K1 input shaft drum subassembly.
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.