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.
