Expedition 2WD V8-5.4L (2009)
Engine Control Module: All Technical Service Bulletins
Engine, A/T Controls - Delayed/Harsh Downshifts
TSB 10-12-4
07/05/10
5.4L 3V AND 6R80 TRANSMISSION -
DELAYED/HARSH DOWNSHIFT ABOVE 40 MPH (64
KM/H)
FORD:
2009-2010 Expedition, F-150
LINCOLN:
2009-2010 Navigator
ISSUE
Some 2009-2010 Expedition and Navigator vehicles built on or before 5/1/2010 and 2009-2010 F-150 vehicles built on or before 2/1/2010 and equipped
with 5.4L 3V engine and 6R80 transmission may exhibit a delayed then harsh downshift during a commanded downshift at speeds above 40 MPH (64
Km/h).
ACTION
Follow the Service Procedure to correct the condition.
SERVICE PROCEDURE
1. Install Integrated Diagnostic System (IDS)/Portable Diagnostic Software (PDS) or equivalent and ID vehicle.
2. Reprogram the powertrain control module (PCM)/transmission control module (TCM) calibration using IDS release 67.03 and higher. This new
calibration is not included in the VCM 2010.5 DVD. Calibration files may also be obtained at the website.
NOTE
THE TCM CANNOT BE INDEPENDENTLY REPROGRAMMED, REPROGRAM USING THE PMI FUNCTION TO ENSURE THAT ENGINE
AND TRANSMISSION CALIBRATIONS ARE UPDATED TO THE LATEST LEVEL SIMULTANEOUSLY.
a. Verify that the 1CM Calibration is:
(1) AL3P-7J104-AC for all vehicles except the F-150 4X4.
(2) AL3P-7J104-BC for F-150 4X4.
b. Select the following from the IDS tool:
(1) Toolbox
(2) Powertrain
(3) OBD Test Modes
(4) Mode Level 9 Vehicle Info
(5) 1CM Cal Part Number
3. Clear TCM keep alive memory (KAM) and adaptive tables.
NOTE
IT IS CRITICAL THAT 1CM KAM BE CLEARED FOR THIS PROCEDURE TO BE FULLY EFFECTIVE
a. Using IDS:
(1) Open Toolbox
(2) Choose Powertrain Then Choose TCM
(3) Choose Reset KAM
