Jaguar XF 2013–2015 — technical service bulletin
Bulletin JTB00403NAS1 · NHTSA communication 10096421 · issued Dec 8, 2014
Technical service bulletin
communication type
Power Train
component
2013–2015
model years
6
vehicle entries
Official summary
"situation: a '2wd only' warning message may be displayed on the instrument cluster during a cold weather start-up. Cause: this may be caused by a transfer case control module (tccm) rotary position sensor fault misdetection."
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.