Electronic Shift On-The-Fly (ESOF) 4WD – Intermittent Grinding Noise While Driving – 2006-2020 Ford F-150, 2003-2020 Ford Expedition & Lincoln Navigator
NHTSA ID Number: 10222307 Manufacturer Communication Number: TSB 21-2219 Summary Some 2021 F-650/F-750 vehicles built on or before 20-Nov-2020 may exhibit various electrical concerns and/or various illuminated warning lamps with various diagnostic trouble codes (DTCs) present. This may be due to the battery junction box (BJB) wiring harness contacting the coolant reservoir bracket. To correct the condition, … Read more