# Service bulletin S2321000004

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: 10240017
- Published by NHTSA: 2023\-07\-31
- Manufacturer's number: S2321000004
- Manufacturer's date: 2023\-05\-02
- NHTSA component: POWER TRAIN

## NHTSA's summary

Malfunction Indicator Lamp \(MIL\) Illumination And Transmission Harsh Shift. Diagnostic Trouble Code \(DTC\) P2701 ? Transmission Friction Element ?B? Apply Time Range/Performance, Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10240017-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10240017-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P2701

## Vehicles listed

- 2021 RAM 2500

## Recalls for the same vehicles and component

- [2022644](/recalls/tc/2022644.md), 2022-11-10: Powertrain
- [22V835000](/recalls/nhtsa/22V835000.md), 2022-11-10: POWER TRAIN:AUTOMATIC TRANSMISSION

## 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.
- [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.
- [9100393 Rev 1](/bulletins/11013489.md), 2025-02-03, Service bulletin: POWER TRAIN. TRANSFER CASE BW 44\-46 If fluid leak is present between the transfer case and the rear driveshaft on a 4WD vehicle the Output Shaft Seal should be considered in lieu of entire transfer case or driveshaft replacement. In the case of major damage to components, contact StarCenter and/or proceed with replacements as necessary.
- [102307](/bulletins/11012351.md), 2025-01-06, Service bulletin: POWER TRAIN. GEAR \- REACTION SUN
- [102387](/bulletins/11012318.md), 2025-01-04, Service bulletin: POWER TRAIN. SEAL \- OUTPUT SHAFT
- [101232](/bulletins/11010205.md), 2024-11-07, Service bulletin: POWER TRAIN. Plate \- Planetary
- [101094](/bulletins/11010147.md), 2024-11-06, Service bulletin: POWER TRAIN. TRANSMISSION KIT \- WITH TORQUE CONVERTER

JSON: [/v1/bulletins/10240017](/v1/bulletins/10240017)

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