Service bulletin 06002

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)
Type	Service bulletin
NHTSA id	10019267
Published by NHTSA	2006-02-23
Manufacturer's number	06002
Manufacturer's date	2006-01-12
NHTSA component	ELECTRICAL SYSTEM

NHTSA's summary

FLASH TCM AND ECM TO IMPROVE TORQUE CONVERTER OPERATION. *TT

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

Vehicles listed
JEEP GRAND CHEROKEE	2006
JEEP LIBERTY	2006

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

Recalls for the same vehicles and component
2015163	2015-04-16. Electrical
2014312	2014-07-23. Electrical
14V438000	2014-07-21. ELECTRICAL SYSTEM:IGNITION:SWITCH
13V175000	2013-05-07. ELECTRICAL SYSTEM; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
07V089000	2007-03-09. ELECTRICAL SYSTEM
06V036000	2006-02-09. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
9004275	2023-01-09. Service bulletin. KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicle, use the "AC" NIC level part and submit a part warranty.
P73	2023-01-09. Service bulletin. Customer Satisfaction Notification P73 Reprogram Final Drive Control Module The Final Drive Control Module (FDCM) software on about 295,600 of the above vehicles may cause the ?Service 4WD? light to come on and an inability to switch 4WD mode when trying to shift out of the current selected mode. The Final Drive Control Module (FDCM) must be reprogrammed with new software.
9003483	2022-10-17. Service bulletin. Exterior Mirror The latest version of these exterior mirrors have had their glass removed to be serviced separatly. To install, connect the electrial connector (if equipped) and snap the glass onto the mirror housing.
9004275	2022-09-26. Service bulletin. KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicle, use the "AC" NIC level part and submit a part warranty.
21-022-14 REV. A	2022-08-15. 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
N23050813	2022-07-18. Service bulletin. New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or Quadra-Trac II four wheel drive system. Some of the above vehicles may experience a transfer case actuator encoder electrical failure that results in unintentional transfer case shifting into or through the neutral position. NOTE: These vehicles are equipped with a NV245 transfer case that is part of the automatic four wheel drive system. The transfer case shifts into and out of four wheel drive modes and ranges automatically or based on driver inputs. Chrysler will conduct a voluntary safety recall on all affected vehicles to reprogram the Final Drive Controller Module (FDCM) with new software. The four wheel drive system will then be function tested. Vehicles found with an inoperative transfer case actuator will also have the actuator replaced. Dealers will be notified of the launch of this safety recall by way of established methods used in the past. We ask that you please take the time to ensure that your personnel are aware of this communication and are prepared to execute a customer friendly process for inquiries on involved vehicles.
N23050813	2021-03-15. Service bulletin. New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or Quadra-Trac II four wheel drive system. Some of the above vehicles may experience a transfer case actuator encoder electrical failure that results in unintentional transfer case shifting into or through the neutral position. NOTE: These vehicles are equipped with a NV245 transfer case that is part of the automatic four wheel drive system. The transfer case shifts into and out of four wheel drive modes and ranges automatically or based on driver inputs. Chrysler will conduct a voluntary safety recall on all affected vehicles to reprogram the Final Drive Controller Module (FDCM) with new software. The four wheel drive system will then be function tested. Vehicles found with an inoperative transfer case actuator will also have the actuator replaced. Dealers will be notified of the launch of this safety recall by way of established methods used in the past. We ask that you please take the time to ensure that your personnel are aware of this communication and are prepared to execute a customer friendly process for inquiries on involved vehicles.
08-049-20	2020-05-26. Service bulletin. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
P73	2018-11-26. Service bulletin. Customer Satisfaction Notification P73 Reprogram Final Drive Control Module: The Final Drive Control Module (FDCM) software on about 295,600 of the above vehicles may cause the service 4WD light to come on and an inability to switch 4WD mode when trying to shift out of the current selected mode. The Final Drive Control Module (FDCM) must be reprogrammed with new software.
08-002-15	2018-11-19. Service bulletin. P41 Interim Repair Procedure Brazil ONLY Some Jeep Commander and Jeep Grand Cherokee vehicles may experience an unintended change in ignition switch position while driving which may result in loss of engine power, power steering, and braking assist increasing the risk of a crash and disabling one or more of the vehicle?s safety features including the frontal airbags. Chrysler intends to repair the vehicle free of charge (parts and labor). However, the part required to provide a permanent remedy for this condition is currently not available.