Jaguar Offers Trans Enhancement
This bulletin applies to 2018 Jaguar F-PACE, F-TYPE, XE, XF , XJ and X351 vehicles equipped with an 8-speed transmission. The powertrain transmission module learn adaptation routine has been installed on SDD/Pathfinder.
Should a customer comment about automatic transmission shift quality, adhere to the following routine.
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Ensure that the transmission and other relevant powertrain control modules are at the latest software level available.
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If there are any DTCs read by the diagnostic tool, resolve them before proceeding.
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Using the routine “Powertrain – Transmission control module adaptations,” ensure that all of the clutches have at least three adaptation counts.
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If any of the clutches have less than 3 adaptation counts, carry out an adaptation drive cycle using “Powertrain Transmission Module Learn Adaption” to achieve a minimum of three counts on each clutch.
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If the shift quality concern is still present, carry out an adaptation drive cycle using “Powertrain Transmission Module Pulse Adaptation” routine to achieve a minimum count of three on each.
About the Author
Information courtesy of Mitchell 1
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.