# Service bulletin 21\-054\-24 REV. A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11010262
- Published by NHTSA: 2024\-11\-07
- Manufacturer's number: 21\-054\-24 REV. A
- Manufacturer's date: 2024\-10\-27
- NHTSA component: POWER TRAIN
- Manufacturer's system: Transmission

## NHTSA's summary

"Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): lP0218\-00 \- Transmission High Temperature Operation Activated. lP0716\-00 \- Input Speed Sensor 1 Circuit Performance. lP0729\-00 \- Gear 6 Shift Incorrect Ratio. lP0731\-00 \- Gear 1 Shift Incorrect Ratio. lP0732\-00 \- Gear 2 Shift Incorrect Ratio. lP0733\-00 \- Gear 3 Shift Incorrect Ratio. lP0734\-00 \- Gear 4 Shift Incorrect Ratio. lP0735\-00 \- Gear 5 Shift Incorrect Ratio. lP0841\-00 \- Transmission Fluid Pressure Sensor/Switch 1 Circuit Performance. lP0868\-00 \- Transmission Fluid Pressure Low. lP0871\-00 \- Transmission Fluid Pressure Sensor/Switch ""C"" Circuit Range/Performance. lP0876\-00 \- Transmission Fluid Pressure Sensor/Switch ""D"" Circuit Range/Performance. lP0944\-00 \- Loss Of Hydraulic Pump Prime. Customers may also comment on one or more of the following: lHard shifting into gear. lVehicle enters into limp home mode."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11010262-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11010262-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline

## Vehicles listed

- 2024 RAM 2500
- 2024 RAM 3500

## Recalls for the same vehicles and component

- [2026225](/recalls/tc/2026225.md), 2026-05-07: Powertrain
- [26V288000](/recalls/nhtsa/26V288000.md), 2026-05-07: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## Other bulletins for the same vehicles and component

- [9100841 Rev 1](/bulletins/11034380.md), 2026-07-02, Service bulletin: POWER TRAIN. If customer concern diagnosis leads to suspect u\-joint issue with the prop shaft, u\-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required.
- [9100841](/bulletins/11034338.md), 2026-07-02, Service bulletin: POWER TRAIN. HD Front and Rear Prop Shafts Increase U\-Joint Usage If customer concern diagnosis leads to suspect u\-joint issue or failure with the prop shaft, u\-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required.
- [S2621000003 REV.A](/bulletins/11030138.md), 2026-03-18, Service bulletin: POWER TRAIN. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75\-PHEV, 8HP75\-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
- [21\-012\-25 REV. E](/bulletins/11025498.md), 2025-11-13, Service bulletin: POWER TRAIN. 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 \- Gear 5 Shift Incorrect Ratio. ● P0841\-00 \- Transmission Fluid Pressure Sensor/Switch 1 Circuit Performance. ● P0868\-00 \- Transmission Fluid Pressure Low. ● P0871\-00 \- Transmission Fluid Pressure Sensor/Switch "C" Circuit Range/Performance. ● P0876\-00 \- Transmission Fluid Pressure Sensor/Switch "D" Circuit Range/Performance. ● P0944\-00 \- Loss Of Hydraulic Pump Prime. Customers may also comment on one or more of the following: ● Hard shifting into gear. ● Vehicle enters into limp home mode This bulletin involves checking for DTCs and possibly replacing the transmission.
- [S2516000001](/bulletins/11024577.md), 2025-10-29, Service bulletin: POWER TRAIN. Driveline Vibration. Prop Shaft Diagnostic Information.
- [9100642](/bulletins/11021844.md), 2025-08-13, Service bulletin: POWER TRAIN. When customer complaint is related to inoperative 4 Wheel Drive shifter, loss of 4WD function and/or 4WD related MIL please reference SOL Case \#S2508000062 prior to replacement of Transfer Case shift motor.
- [S2508000062](/bulletins/11021576.md), 2025-08-06, Service bulletin: POWER TRAIN. Unresponsive 4WD Shifter, Service 4WD Light Illuminated. ABS And/Or Traction Control Lights May Also Be On
- [21\-012\-25 REV. D](/bulletins/11020760.md), 2025-07-17, Service bulletin: POWER TRAIN. NOTE: 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 \- Gear 5 Shift Incorrect Ratio. ● P0841\-00 \- Transmission Fluid Pressure Sensor/Switch 1 Circuit Performance. ● P0868\-00 \- Transmission Fluid Pressure Low. ● P0871\-00 \- Transmission Fluid Pressure Sensor/Switch "C" Circuit Range/Performance. ● P0876\-00 \- Transmission Fluid Pressure Sensor/Switch "D" Circuit Range/Performance. ● P0944\-00 \- Loss Of Hydraulic Pump Prime. Customers may also comment on one or more of the following: ● Hard shifting into gear. ● Vehicle enters into limp home mode. This bulletin involves checking for DTCs and possibly replacing the transmission.
- [S2503000003](/bulletins/11018615.md), 2025-05-28, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. Rear Axle Locker Inoperative, Service Axle Locker Message Displayed. Discussion: Some customers may experience a, inop rear axle locker, and Service Axle Locker message. After further investigation, the technician may not find any diagnostic trouble codes \(DTCs\) set. However, intermittently, they may find the following DTCs set in the Drivetrain Control Module \(DTCM\). • C141C\-11 Rear Differential Control Circuit Short To Ground. • C141C\-13 Rear Differential Control Circuit Open. If the technician is working on a vehicle with the above condition, please perform the repair procedure below. Repair Procedure: 1. Remove the rear differential cover. 2. Inspect the e\-locker actuator wiring harness for damage due to contact with the differential.
- [21\-012\-25 REV. C](/bulletins/11018018.md), 2025-05-06, Service bulletin: POWER TRAIN. "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 \- Gear 5 Shift Incorrect Ratio. ● P0841\-00 \- Transmission Fluid Pressure Sensor/Switch 1 Circuit Performance. ● P0868\-00 \- Transmission Fluid Pressure Low. ● P0871\-00 \- Transmission Fluid Pressure Sensor/Switch ""C"" Circuit Range/Performance. ● P0876\-00 \- Transmission Fluid Pressure Sensor/Switch ""D"" Circuit Range/Performance. ● P0944\-00 \- Loss Of Hydraulic Pump Prime. Customers may also comment on one or more of the following: ● Hard shifting into gear. ● Vehicle enters into limp home mode. This bulletin involves checking for DTCs and possibly replacing the transmission."

JSON: [/v1/bulletins/11010262](/v1/bulletins/11010262)

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