Service bulletin 08-103-22
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 | 10214601 |
| Published by NHTSA | 2022-06-27 |
| Manufacturer's number | 08-103-22 |
| Manufacturer's date | 2022-05-11 |
| NHTSA component | POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT; ELECTRICAL SYSTEM |
NHTSA's summary
Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find one or more of the the following DTCs have been set: C1472-92 - Transfer Case Clutch Control-Performance Or Incorrect Operation(Sales Code DHY only).If any of these DTCs C1472-92, C149D-54 or C2206-56 are present(Sales Code DHY only), proceed toStep 11of the Repair Procedure. C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
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
C1463, C1472, C149D, C2206
| JEEP GRAND CHEROKEE | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2103122 | 2022-12-12. Service bulletin. Transfer Case Replacement This bulletin involves replacing the transfer case assembly for Diagnostic Trouble Code (DTC) C14A1-74. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find the following DTC has been set: C14A1-74 - Unintended Actuator Shaft Movement Detected-Actuator Slipping. |
|---|---|
| 9100083 | 2022-11-07. Service bulletin. Transfer Case Do not replace Transfer Case if unable to complete a DTCM flash or calibration process unless SOL Publication S2203000004 has been performed. |
| S2121000014 RevC | 2022-05-31. Service bulletin. Service 4WD Message Illuminated. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation. |