# Service bulletin 9100181

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: 10242703
- Published by NHTSA: 2023\-09\-25
- Manufacturer's number: 9100181
- Manufacturer's date: 2023\-07\-05
- NHTSA component: POWER TRAIN; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)

## NHTSA's summary

Transfer case rear output seal For customer concerns related to Transfer Case Rear Output Seal leak please call FCA Redacted Content prior to repair. If no response within 15 minutes, proceed with the repair.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242703-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242703-9999.pdf)

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

## Components

Transmission and driveline, Transfer case

## Vehicles listed

- 2020 to 2023 RAM 1500

## Other bulletins for the same vehicles and component

- [08\-094\-20](/bulletins/10183078.md), 2020-11-30, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); EQUIPMENT. Flash: Drivetrain Control Module \(DTCM\) Update This bulletin involves reprogramming the DTCM with the latest available software. The customer may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set::If the customer has any concerns with the transfer case or if the tech performs any repairs on the transfer case, the software must be updated.C140E \- Transfer Case Motor Blocked. If DTC C140E is present, follow normal diagnostic procedures before updating the DTCM.In addition the customer may describe the following:The ?Service 4WD? message/fault is displayed in the Instrument Panel Cluster \(IPC\). Transfer case shift fork tabs broken during range shift. Noisy \(clunking/ratcheting\) transfer case range shifts. Failure to complete transfer case range shifts. The following software enhancement is available:This update will help reduce premature transfer case failure.

JSON: [/v1/bulletins/10242703](/v1/bulletins/10242703)

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