Engine Controls - Poor Coastdown Engine Braking
TSB 11-8-908/18/11
5.0L - ENGINE BRAKING PERFORMANCE DURING
LOW SPEED COAST DOWN
FORD:
2011 F-150
ISSUE
Some 2011 F-150 vehicles equipped with a 5.0L engine built at Dearborn Truck Plant (DIP) on or before 7/27/2011 or built at Kansas City Assembly Plant (KCAP) on or before 8/8/2011 may exhibit a concern with less than desired engine braking performance during low speed coast down maneuvers. This concern may be most noticeable in a parking lot environment or in stop and go traffic conditions.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
Reprogram the Powertrain Control Module (PCM) to the latest calibration using IDS release 74.01 and higher. This new calibration is not included in the VCM 2011.7 DVD. Calibration files may also be obtained at the website.
NOTE
PLEASE ADVISE THE CUSTOMER THAT THIS VEHICLE IS EQUIPPED WITH AN ADAPTIVE TRANSMISSION SHIFT STRATEGY WHICH ALLOWS THE VEHICLE'S COMPUTER TO LEARN THE TRANSMISSION'S UNIQUE PARAMETERS AND IMPROVE SHIFT QUALITY. WHEN THE ADAPTIVE STRATEGY IS RESET, THE COMPUTER WILL BEGIN A RE-LEARNING PROCESS. THIS RE-LEARNING PROCESS MAY RESULT IN FIRMER THAN NORMAL UPSHIFTS AND DOWNSHIFTS FOR SEVERAL DAYS.
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME
110809A 2011 F-150: Reprogram 0.4 Hr.
The PCM (Do Not Use
With Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 04