4WD – Electronic Shift On-The-Fly (ESOF) Diagnostic Tips – 2019-2020 Ford F-150

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NHTSA ID Number: 10181869

Manufacturer Communication Number: SSM 49099

 

Summary

2019-2020 F-150 vehicles equipped with four-wheel drive (4WD) have a revised transfer case control module (TCCM) strategy that will affect integrated wheel end (IWE) operation after initial start-up. The TCCM will not energize the solenoid to supply vacuum to the IWEs after the initial key cycle and a driven gear is selected. The IWEs will remain engaged for 0.8 km (0.5 mi) when the temperature is above 0 deg C (32 deg F) and 3 km (2 mi) when below 0 deg C (32 deg F). The strategy changes were implemented to improve vacuum supply management and axle warm up in cold temperatures. The engine must run for a minimum of 5 minutes to build sufficient vacuum before performing any vacuum related testing. Refer to the Workshop Manual (WSM) Section, 307-08A > Four-Wheel Drive Systems > System Operation and Component Description for additional information.

 

2 Affected Products

Vehicle

MAKEMODELYEAR
FORDeBayF-1502019-2020

 

 

 


Vehicles:
2019-2020 F-150 (P552) (FC)

Symptom Code:
400000 ENGINE
497000 ENGINE NOISE CONCERNS
499000 ENGINE BASIC ENGINE
500000 DRIVELINE
508000 DRIVELINE TRANSFER CASE CONCERNS
597997 DRIVELINE NOISE CONCERNS
700000 NOISE AND VIBRATION
702000 NVH OTHER NOISE CONCERNS
702100 NVH NOISE CONCERN — FRONT
702300 NVH NOISE CONCERN — PASSENGER COMPARTMENT

 


1 Associated Document

Manufacturer Communications

SSM 49099: 2019-2020 F-150 – 4WD – Electronic Shift On-The-Fly (ESOF) Diagnostic Tips

MC-10181869-0001.pdf 161.589KB

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X AUTOHAUX 2 Pcs 4x4 Auto Locking Hub 4WD Locking Hub Actuator for Ford F-150 2004-2016 for Ford Expedition 2003-2015 for Lincoln Navigator 2003-2017 7L1Z3C247A 4 Wheel Drive
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  • Ensure Fit - 2009-2014 FordeBay F150 normally installed on SVT raptor models and other similar trims for vehicles with electronic locking differential with hill descent control with electric transfer case.
  • Relaces Part # - AL3Z-14B166-BA, AL3Z14B166BA, the switch assembly will perfectly fit your vehicle, and you'll get your parts for less than you would pay at your local parts counter.
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  • [ Function ] Suitable for 4WD system vehicles, help to solve the problem that the front wheel cannot be locked, the hub makes noise, the hub is locked and fails or cannot be driven.
  • [ Feature ] Made of durable material, sealed and leak-proof design to prevent water intrusion, with some grease, the internal diaphragm is not easy to wear or break, and has a long service life.
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  • ใ€Product Specificationใ€‘ Brand New Wheel Bearing and Hub Assembly, Part No.: 515169 , Fits for the Front position, Number of Flange Bolts Hole: 4๏ผŒReplaces Part Numbers: 515169๏ผŒ6 Lug Bolts w/ABS
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  • ใ€High Qualityใ€‘Wheel hub bolts with protective coating, not easy to rust and corrode, and easier to tighten the wheel nuts. Better seal design, which lasts and minimizes noise and vibration. Each item is factory quality inspected according to OEM production standards and meets the highest standards.
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  • ใ€Buy With Confidenceใ€‘Please rest assured to order the f150 front axle hubs are suitable for FordeBay. SHINEHOME will provide a replacement if quality problems, please us via email if you have any questions, we are glad to help to confirm and offer you the best advice.
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  • Notice: Please confirm the part number, fitment details and pictures listed are the same as your needs before purchasing.

Last update on 2025-04-19 / Affiliate links / Images from Amazon Product Advertising API


 

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