Diagnostic Trouble Code (DTC) P1674 In The Gateway Module (GWM) After An Over The Air (OTA) Update – 2023 Ford Bronco/Corsair/F-150/F-Super Duty

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NHTSA ID Number: 10244872 Manufacturer Communication Number: SSM 52008 Summary Some 2023 Bronco/Corsair/F-150/F-Super Duty vehicles may exhibit a DTC P1674 in the GWM after an OTA update. This OTA update is delivered in two downloads. If the GWM is tested between OTAs, this code will be present. This DTC does not affect vehicle durability and no additional … Read more

Gateway Module (GWM)/Telematic Control Unit (TCU) Programming Failure – 2021 Ford Mustang Mach-E/F-150/Edge

2021 Ford Mustang Mach-E

NHTSA ID Number: 10201600 Manufacturer Communication Number: SSM 50140   Summary Some 2021 Mustang Mach-E, F-150, and Edge vehicles may experience a GWM and/or TCU programming failure with an error message displayed in the Ford Diagnosis and Repair System (FDRS) stating The Programming Or Part Number Validation Process Has Failed. This may be due to the USB … Read more

APIM/TCU/GWM Diagnostics and Repairs – 2021 Ford F-150

2021 Ford F-150

NHTSA ID Number: 10184628 Manufacturer Communication Number: SSM 49379   Summary Before attempting repairs for SYNC 4 system, Telematics Control Unit (TCU) or Gateway Module (GWM) concerns, dealers must complete workshop manual (WSM) diagnostics in section 415-00 for SYNC 4 or TCU concerns and 418-00 for GWM concerns. Do not attempt APIM, TCU or GWM reprogramming or … Read more

Various Vehicles – Data Link Connector (DLC) Connection – Vehicles Equipped With Gateway Module (GWM) – 2013-2019 Ford & Lincoln

2018 Ford F-Super Duty

  NHTSA ID Number: 10152464 Manufacturer Communication Number: SSM 47635 Summary When connecting the Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) or Ford Diagnosis and Repair System (FDRS) to the DLC located on the driver side under the steering column at the GWM, make sure that the ignition is off before connecting the VCM. If … Read more