Dealer Service Instructions for:
Customer Satisfaction Notification P73
Reprogram Final Drive Control Module
|2005 - 2010||(WK)||Jeep® Grand Cherokee|
|2006 - 2010||(XK)||Jeep® Commander|
NOTE: This notification applies only to the above vehicles equipped with a Quadra-Trac II Full Time Active 4WD transfer case (sales code DHX) built through March 10, 2010 (MDH SOP through 031010).
|IMPORTANT: Some of the involved vehicles may be in dealer used vehicle inventory. Dealers should complete this repair on these vehicles before retail delivery. Dealers should also perform this repair on vehicles in for service.Involved vehicles can be determined by using the VIP inquiry process.|
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.