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Service bulletin 21-022-14

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10069323
Published by NHTSA2016-06-02
Manufacturer's number21-022-14
Manufacturer's date2014-07-10
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
JEEP COMMANDER2005
JEEP COMMANDER2006, 2007, 2008, 2009, 2010
JEEP GRAND CHEROKEE2006, 2007, 2008, 2009, 2010

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
21-022-14 REV. A2018-06-18. Service bulletin. 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
08-011-132018-05-14. 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.
08-011-132018-02-21. 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.
21-022-14REV.A2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
21-006-132016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-011-132016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-011-132016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
CSN-P-732015-08-26. 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-18-009-09REVA2010-05-24. 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
SB-18-020-092009-12-23. Service bulletin. JEEP: MIL ILLUMINATION AND/OR MDS DRIVEABILITY IMPROVEMENTS. THIS INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *PE