Hesitant Jaguar Occurs After Auto Stop Event
This bulletin applies to 2014 Jaguar F-Type, 2013-2014 XF and 2013-2015 XJ vehicles. The engine speed may dip or the engine may hesitate after an Auto Stop/Start event. This may be caused by a PCM software calibration issue.
A Jaguar land Rover-approved Midtronics battery power supply must be connected to the vehicle battery during diagnosis/module reprogramming. Ensure that all ignition ON/OFF requests is carried out. The Jaguar Land Rover-approved diagnostic tool must be loaded with DVD 146.02 v243 or later.
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 MavrigianMike 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.
