Service bulletin 08-094-20
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 | 10183078 |
| Published by NHTSA | 2020-11-30 |
| Manufacturer's number | 08-094-20 |
| Manufacturer's date | 2020-10-10 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT |
NHTSA's summary
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.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Equipment and accessories, Transmission and driveline, Transfer case
Trouble codes named
C140E
| RAM 1500 | 2016, 2017, 2018, 2019, 2020 |
|---|---|
| RAM 2500 | 2016, 2017, 2018, 2019, 2020 |
| RAM 3500 | 2016, 2017, 2018, 2019, 2020 |
| RAM 4500 | 2016, 2017, 2018, 2019, 2020 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 20V080000 | 2020-02-13. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
|---|---|
| 16V495000 | 2016-07-01. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 9100181 | 2023-09-25. Service bulletin. 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. |
|---|---|
| 68090604A | 2018-11-26. Service bulletin. Power Transfer Unit Prior to replacing the PTU, please review the following .~ Check if the service 4WD light is intermittent by driving under heavy throttle will produce a C1494-92 DTC, if yes, please call FCA axle engineering and do not replace the PTU. Bruce Michel at cell (248) 260-8641, or Jian Zhu at cell (248) 379- 1132. If neither answers with 15 minutes then proceed with the repair. ~ If the service 4WD light lamp is on steady then replace the Power Transfer Unit. |