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Service bulletin P73

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 id10148868
Published by NHTSA2018-11-26
Manufacturer's numberP73
Manufacturer's date2015-05-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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.

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

Vehicles listed
JEEP COMMANDER2005
JEEP COMMANDER2006, 2007, 2008, 2009, 2010
JEEP GRAND CHEROKEE2005, 2006, 2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
20144042014-09-18. Electrical
14V5670002014-09-17. ELECTRICAL SYSTEM:IGNITION
20143122014-07-23. Electrical
14V4380002014-07-21. ELECTRICAL SYSTEM:IGNITION:SWITCH
13V1750002013-05-07. ELECTRICAL SYSTEM; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
10V2000002010-05-11. ELECTRICAL SYSTEM:IGNITION:MODULE
09V4540002009-11-25. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
09V1180002009-04-09. AIR BAGS:FRONTAL; AIR BAGS; ELECTRICAL SYSTEM:WIRING
08V0590002008-02-06. ELECTRICAL SYSTEM; VISIBILITY:WINDSHIELD WIPER/WASHER

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
91002262024-01-08. Service bulletin. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002262023-10-30. Service bulletin. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
S22080001362023-01-17. Service bulletin. Security Module Lock Out After Entering the PIN to Unlock The Wireless Control Module (WCM)
90042752023-01-09. 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.
P732023-01-09. 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.
S22080001362022-10-17. Service bulletin. Security Module Lock Out After Entering the PIN to Unlock The Wireless Control Module (WCM)
90034832022-10-17. 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.
90042752022-09-26. 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.
08-052-162022-08-22. Service bulletin. Flash: UConnect and Voice Recognition Inoperative This bulletin involves replacing the Hands Free Module (HFM). The customer may describe the following conditions: · A complete loss of UConnect operation. · A complete loss of Voice Recognition functionality
18-042-142022-08-15. Service bulletin. Generic Powertrain Control Module (PCM) Procedure This bulletin involves programming a generic PCM with software.