Jaguar XF 2013 — technical service bulletin
Bulletin JTB00325NAS1 · NHTSA communication 10097559 · issued Jan 6, 2014
Technical service bulletin
communication type
Electrical System
component
2013
model years
1
vehicle entries
Official summary
"situation: the transmission may experience poor quality gear shifts and/or poor engagement of reverse and drive. Cause: this may be caused by a software mismatch between the transmission control module (tcm) and the engine control module (ecm)."
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.