JEEP
21-022-14
Manufacturer communications
- Publication date
- 2014-07-10
- Received by NHTSA
- 2018-06-18
- NHTSA record numbers
- 10141220 · 10217705
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Customers may indicate that the ?Service 4WD? indicator in the instrument cluster is illuminated. They may also indicate that the transfer case will not shift from 4WD High, 4WD Low, and/or Neutral once the lamp is illuminated. Further investigation identifies that a Diagnostic Trouble Code C140F is stored or active in the Final Drive Control Modules (FDCM) Memory
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | COMMANDER | 2010 |
| Jeep | COMMANDER | 2009 |
| Jeep | COMMANDER | 2008 |
| Jeep | COMMANDER | 2007 |
| Jeep | COMMANDER | 2006 |
| Jeep | GRAND CHEROKEE | 2010 |
| Jeep | GRAND CHEROKEE | 2009 |
| Jeep | GRAND CHEROKEE | 2008 |
| Jeep | GRAND CHEROKEE | 2007 |
| Jeep | GRAND CHEROKEE | 2006 |
| Jeep | GRAND CHEROKEE | 2005 |