Four Wheel Drive

Four-Wheel Drive System Inoperative And/Or DTC C00A1 In The AWD Module – 2023 Ford F-Super Duty

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2023 Ford F-Super Duty

NHTSA ID Number: 10237345 Manufacturer Communication Number: SSM 51659 Summary Some 2023 F-Super Duty vehicles built on or before 09-May-2023 may exhibit an inoperative four wheel drive system and/or diagnostic trouble code (DTC) C00A1 in the all-wheel drive (AWD) module. Prior to beginning diagnostics, inspect ground location G239 for proper tightness of 6 lb-ft (8 Nm). G239 … Read more

Four Wheel Drive IWE Electrical Connector Not Equipped – 2020 Ford Expedition & Lincoln Navigator

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2020 Ford Expedition

NHTSA ID Number: 10184782 Manufacturer Communication Number: SSM 49418   Summary Some 2020 Expedition/Navigator vehicles built on or after 19-Oct-2020 and equipped with four-wheel drive will keep the integrated wheel end (IWE) hubs engaged under all operating conditions. Although the IWE vacuum solenoid is still present, these vehicles may not be equipped with an electrical connector for … Read more