Rectifying Jaguar drive control problem

    Feb. 23, 2024
    Owners of 2018 Jaguar E-Pace vehicles may report a change of Jaguar drive control to “Comfort Mode” without driver input.
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    Photo courtesy of Jaguar
    A TCM software update will soon become available to rectify the concern.
    A TCM software update will soon become available to rectify the concern.

    Owners of 2018 Jaguar E-Pace vehicles may report a change of Jaguar drive control to “Comfort Mode” without driver input.

    DTC U0028-81 (vehicle communication bus A-invalid serial data received) stored in the Gateway Module (GWM); and/or U0001-87 (high-speed CAN communication bus – missing message) stored in the transmission control module.

    It may also be reported that specific applications involving the GWM do not complete. This is due to a software error in GWM part K9C3-14F530-AA. If the two DTCs are present and the GWM software is on the mentioned software part number, do not renew the ATCM in an attempt to rectify the concern.

    A TCM software update will soon become available to rectify the concern.

    About the Author

    Motor Age Staff

    Motor Age has been publishing technical content for professional automotive technicians since 1899. Our writers have decades of experience and scores of ASE certifications, and they continue to teach new generations of technicians via classrooms all around the globe, as well as through the books and training manuals they've authored. 

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