Jeep Commander 2005–2010 — technical service bulletin
Bulletin P73 · NHTSA communication 10229213 · issued May 1, 2015
Technical service bulletin
communication type
Electrical System
component
2005–2010
model years
10
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.