# 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.

- Type: Service bulletin
- NHTSA id: 10141220
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: 21\-022\-14
- Manufacturer's date: 2014\-07\-10
- NHTSA component: ENGINE; EQUIPMENT

## 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10141220-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10141220-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories

## Trouble codes named

C140F

## Vehicles listed

- 2006 to 2010 JEEP COMMANDER
- 2005 to 2010 JEEP GRAND CHEROKEE

## Recalls for the same vehicles and component

- [10V085000](/recalls/nhtsa/10V085000.md), 2010-03-05: EQUIPMENT
- [2008185](/recalls/tc/2008185.md), 2008-05-23: Engine
- [2008042](/recalls/tc/2008042.md), 2008-02-07: Engine

## Other bulletins for the same vehicles and component

- [9100196](/bulletins/10242717.md), 2023-09-25, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
- [9003215](/bulletins/10229181.md), 2023-01-09, Service bulletin: ENGINE AND ENGINE COOLING. Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non\-EGR applications. An EGR Block\-Off Plate \(53032739AA\) must be ordered when installing this Long Block Assembly in a Non\-EGR application. Unless, the EGR Block\-Off Plate is being transferred from the old engine.
- [S2209000004](/bulletins/10227983.md), 2022-12-19, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
- [9003215](/bulletins/10223602.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING. Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non\-EGR applications. An EGR Block\-Off Plate \(53032739AA\) must be ordered when installing this Long Block Assembly in a Non\-EGR application. Unless, the EGR Block\-Off Plate is being transferred from the old engine.
- [9002887](/bulletins/10223599.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING. Part Description: Valve Body Assembly Issue Description: Valve body design was changed between 2010MY and 2011MY applications. To prevent mix matching valve bodies and solenoid packs the connectors are color coded.\~ Valve bodies with a white connector can be used on 2010, 2009, 2008..., model years. Valve bodies with a gray connector can only be used on 2011, 2012, 2013..., model years.\~ Solenoid packs with a white connector are used with 2010, 2009, 2008..., model years. Solenoid packs with a gray connector are used with 2011, 2012, 2013..., model years.
- [S1709000010RevB](/bulletins/10220687.md), 2022-09-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; UNKNOWN OR OTHER. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear \(roller failure\) on one or more cam lobes and that camshaft/lifter replacement is necessary.
- [3100619](/bulletins/10220097.md), 2022-09-15, Service bulletin: STRUCTURE; EQUIPMENT. Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage.
- [18\-042\-14](/bulletins/10217728.md), 2022-08-15, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. Generic Powertrain Control Module \(PCM\) Procedure This bulletin involves programming a generic PCM with software.
- [21\-022\-14 REV. A](/bulletins/10217727.md), 2022-08-15, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT. 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\-13](/bulletins/10216264.md), 2022-07-25, Service bulletin: VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; POWER TRAIN; ENGINE. 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.

JSON: [/v1/bulletins/10141220](/v1/bulletins/10141220)

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