4WD – Illuminated MIL With DTC U2002 – 2022-2023 Ford F-150

2023 Ford F-150

NHTSA ID Number: 10232493 Manufacturer Communication Number: TSB 23-2055 Summary Some 2022-2023 F-150 vehicles equipped with four-wheel drive (4WD), without a center console, and built on 17-Nov-2022 and through 28-Nov-2022 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) U2002 stored in the powertrain control module (PCM). This may be due to an … Read more

4WD Inoperative, Illuminated Powertrain Malfunction (Wrench) Indicator -Various 4WD DTCs – 2021-2022 Ford Bronco

2022 Ford Bronco Sport

NHTSA ID Number: 10238284 Manufacturer Communication Number: TSB 23-2182 Summary Some 2021-2022 Bronco vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) stored in the all-wheel drive (AWD) module. The setting of these DTCs result in an inoperative 4WD system that may be intermittent. These DTCs may be setting due to a … Read more

4WD – Revised IWE Operation Strategy After Initial Start Up – 2019 Ford F-150 & Expedition & Lincoln Navigator

2019 Ford F-150

NHTSA ID Number: 10163587 Manufacturer Communication Number: SSM 48088 Summary 2019 F-150/Expedition/Navigator 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 … Read more