Expedition 4WD V8-5.4L (2007)
Engine Control Module: Customer Interest
Instruments - Speedo. Doesn't Return To Zero At A Stop
TSB 10-4-2
03/15/10
SPEEDOMETER - NOT RETURNING TO ZERO WHILE
IN PARK AND ENGINE RUNNING
FORD:
2007-2008 Expedition
ISSUE
Some 2007-2008 Expedition vehicles may exhibit symptoms of speedometer fluctuation while the engine is running and transmission is in park position.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Install Integrated Diagnostic System (IDS)/Portable Diagnostic Software (PDS) or equivalent and start a session, identify (ID) vehicle.
2. Update the powertrain control module (PCM)/transmission control module (TCM) calibration using IDS release 65.06 and higher. This new
calibration is not included in the VCM 2010.1 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.
3. Verify that the 1CM Calibration shows 8L1P-7J104-AD (8L1P-7J104-BD for later production 2008 model year) part number after reprogramming is
complete.
a. Select the following from the IDS tool:
(1) Toolbox.
(2) Powertrain.
(3) 0DB Test Modes.
(4) Mode Level 9 Vehicle Information.
(5) TCM Cal Part Number.
NOTE
IT IS CRITICAL THAT TCM KEEP ALIVE MEMORY (KAM) BE CLEARED FOR PROCEDURE TO BE FULLY EFFECTIVE
4. Clear TCM KAM and adaptive tables.
a. Using IDS:
(1) Open Toolbox.
(2) Choose Powertrain.
(3) Choose Reset KAM.
(4) Choose TCM.
b. Using PDS:
(1) Choose all Tests and Calibrations.
(2) Scroll down the menu and choose reset TCM KAM
