Jaguar Is Knocking
This bulletin applies to 2010 and later Jaguar XK 5.0L supercharged vehicles. At approximately 1200 to 1500 rpm, and while under a moderate load, the engine may exhibit an audible detonation. This may be caused by an EMS calibration error.
1. Connect the Jaguar Land Rover approved Midtronics vehicle power supply to the vehicle battery.
2. Turn the ignition on but do not start the engine.
3. Connect the IDS (integrated diagnostic system) to the vehicle and begin a new symptom driven diagnostics (SDD) session.
4. Follow the on-screen prompts, allowing SDD to read the VIN and identify the vehicle.
5. Select “diagnosis” from the session type screen.
6. Select the “selected symptoms” tab and then select powertrain-engine system-engine performance-noises-under load.
7. Select the Recommendations tab
8. Select continue
9. Select run to perform the configure existing module-powertrain front control module option.
10. Follow all on-screen prompts to complete the task.
11. Exit the session and disconnect the IDS and the power supply.
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.
