Download: Jaguar S-Type Technical Service Bulletin S307-07: Harsh/Slow Shifts – 3.0 L V6 Vehicles – Reprogram PCM.

Customers of some 2000-01 MY S-TYPE vehicles may complain about harsh shifts or shifts that take too long to complete. To improve harsh gear change, and the general performance of the automatic transmission, the Powertrain Control Module (PCM) should be re-programmed using the latest release (JTP759/14 or later) of the Worldwide Diagnostic System (WDS) disc.

Customers of some 2000-01 MY S-TYPE vehicles may complain about harsh shifts or shifts that take too long to complete.

To improve harsh gear change, and the general performance of the automatic transmission, the Powertrain Control Module (PCM) should be re-programmed using the latest release (JTP759/14 or later) of the Worldwide Diagnostic System (WDS) disc.

When entering the ECM re-configuration section the user will be prompted to determine the engine serial number of the vehicle.

If the first six digits of the engine number are outside the specified serial number range (103981*** to 127908***) the user will be allowed through to re-calibrate the vehicle PCM with a standard set of calibrations.

If the engine serial number falls within the given range the system will automatically divert to a more aggressive set of calibrations.

Applied vehicle: Jaguar S-Type with 3.0L V6 engine 2000-2002 model year.

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Download free Jaguar S-Type Technical Service Bulletin S307-07: Harsh/Slow Shifts – 3.0 L V6 Vehicles – Reprogram PCM.pdf (4 pages pdf file, 0.2 MB).

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