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TSB
07-9-10 6.4L - PTO/BCP - DISENGAGES WITH VEHICLE BODY MOVEMENT

Publication Date: May 1, 2007

FORD: 2008 F-450, F-550


ISSUE:
Some 2008 F450/550 Super Duty vehicles equipped with 6.4L diesel engine may lose power take-off (PTO) or battery charge protection (BCP) function with any small body movement. This includes movement as light as opening a door, or stepping on the bumper. This concern is only on vehicles using the Ford stationary elevated idle control (SEIC) to provide the required engine speed increase and its circuit links to PTO engagement and battery state. When this occurs the engine speed returns to base idle of 650 RPM, and any PTO and BCP circuit links are disconnected. In normal diesel engine operation SEIC automatically reactivates after 3 seconds if no disabling condition remains present, returning to its preset target speed, and re-enabling the PTO or BCP function.

ACTION:
Reprogram the powertrain control module (PCM) to the latest calibration using IDS release 48.12 and higher or 49.2 and higher. This new calibration is not included in the VCM 2007.5 DVD.This calibration filters out small vehicle speed signals shutting down SEIC. Calibration files may also be obtained at www.motorcraft.com. Vehicle road speed signal is an SEIC disabler, and this calibration makes that signal less sensitive.


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
070910A 2008 F-450/550 With 6.4L And PTO: Reprogram The PCM (Do Not Use With 12650D) 0.5 Hr.

DEALER CODING
BASIC PART NO. CONDITION CODE
recal 04

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NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition described affects your car or truck. Contact a Ford, Lincoln, or Mercury dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supercede this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.

Copyright © 2007 Ford Motor Company
 
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