# P0731 on the 2023 Ram 5500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0731

- [11032827](https://open.wenmarpro.com/bulletins/11032827), 2026-05-20: Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0731\-00 \- Gear 1 Shift Incorrect Ratio \(This DTC will set during a key cycle and shifting into Drive\). Customers must 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 and possibly the K1 input shaft drum sub\-assembly. These repairs are to be performed only if the vehicle is inoperable due to K1 clutch failure
- [11032650](https://open.wenmarpro.com/bulletins/11032650), 2026-05-13: Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0731\-00 \- Gear 1 Shift Incorrect Ratio \(This DTC will set during a key cycle and shifting into Drive\). Customers must 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 and possibly the K1 input shaft drum sub\-assembly. These repairs are to be performed only if the vehicle is inoperable due to K1 clutch failure
- [11008221](https://open.wenmarpro.com/bulletins/11008221), 2024-10-01: "Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● 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 and possibly the K1 input shaft drum sub\-assembly. These repairs are to be performed only if the vehicle is inoperable due to K1 clutch failure. \*\* "
- [10243266](https://open.wenmarpro.com/bulletins/10243266), 2023-10-02: 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.