Service bulletin 21-022-14 REV. A
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 | 10141242 |
| Published by NHTSA | 2018-06-18 |
| Manufacturer's number | 21-022-14 REV. A |
| Manufacturer's date | 2014-07-29 |
| NHTSA component | ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM |
NHTSA's summary
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
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, Software
Trouble codes named
C140F
| JEEP COMMANDER | 2006, 2007, 2008, 2009, 2010 |
|---|---|
| JEEP GRAND CHEROKEE | 2005, 2006, 2007, 2008, 2009, 2010 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 18-042-14 | 2018-06-18. Service bulletin. Generic Powertrain Control Module (PCM) Procedure This bulletin involves programming a generic PCM with software. |
|---|---|
| 08-011-13 | 2018-05-14. Service bulletin. Flash: Power Folding Mirrors Unfold While Cranking This bulletin involves flash reprogramming the Left and Right Front Door Modules (DMFL/DMFR) with new software. The power folding mirrors may unfold while cranking the engine. |
| 08-011-13 | 2018-02-21. Service bulletin. Flash: Power Folding Mirrors Unfold While Cranking This bulletin involves flash reprogramming the Left and Right Front Door Modules (DMFL/DMFR) with new software. The power folding mirrors may unfold while cranking the engine. |
| 21-022-14 | 2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 21-022-14REV.A | 2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 21-006-13 | 2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 08-011-13 | 2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| 08-011-13 | 2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| CSN-P-73 | 2015-08-26. Service bulletin. FIAT CHRYSLER: TSB HAS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. WHEN SHIFTING OUT OF CURRENT SELECTED MODE, FINAL DRIVE CONTROL MODULE (FDCM) SOFTWARE CAUSES SERVICE 4WD LIGHT TO ILLUMINATE AND SWITCHING OUT OF 4WD FAILS AND NEEDS REPROGRAMMING. MODEL 2005-2010 JEEP GRAND CHEROKEE, JEEP COMMANDER. *PE |
| SB-18-009-09REVA | 2010-05-24. Service bulletin. JEEP/CHRYSLER/DODGE: FLASH; DRIVEABILITY IMPROVEMENTS. THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *PE UPDATED 11/15/13. *PE |