Blind Spot Detection Problems of Lincoln Navigator

Placing the vehicle in reverse we backed into a concrete piller and none of the safet sensors allerted us to the object.

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Nhtsa complaint — 2017 Lincoln Navigator output speed sensor / lead frame vehicle: 2017 Lincoln Navigator 4wd transmission: 6r80 6-speed automatic component: transmission — output shaft speed sensor / internal lead frame current mileage: 219,000 complaint description: I am filing this complaint regarding a recurring transmission-related problem with my 2017 Lincoln Navigator. The vehicle has experienced intermittent loss of the vehicle speed signal, and the speedometer will suddenly drop to zero while driving. The vehicle has also experienced intermittent wrench/limp-mode symptoms and abnormal transmission behavior. The vehicle was diagnosed with diagnostic trouble code p0722, output shaft speed sensor “a” no signal. The output speed sensor is incorporated into the transmission’s internal lead-frame assembly rather than being a simple externally accessible sensor. This problem is concerning because the loss of the output speed signal can affect transmission operation, shifting, vehicle speed information, and potentially cause the vehicle to enter a failsafe/limp mode while driving. The problem has occurred while driving and can create a safety concern, particularly when traveling at highway speeds. I am concerned that the internal lead-frame/output-speed-sensor design may be prone to failure and that owners may be required to perform a significant transmission repair to replace a sensor that can cause a loss of vehicle speed information and transmission control. I am requesting that NHTSA investigate complaints involving the 6r80 transmission output speed sensor/lead-frame assembly in 2017 Lincoln Navigators and other Ford/Lincoln vehicles using this transmission to determine whether there is a safety-related defect or pattern of premature failure. I am submitting this complaint so that the problem is documented and considered as part of any investigation or safety action involving this component.

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The side mirrors, which are power adjusted, either will not properly adjust to the same setting when they first fold out when you start the car, or they will start moving when you start driving. This happens nearly every time the car is started. I have talked to fellow Ford f-150 owners who have the same problem. This causes a serious safety concern, especially when they start adjusting as you start driving because then you cannot safely see any obstacles beside the car and the warning light if someone is beside you does not work effectively. If I start my car and go to back out of a parking spot or driveway and the mirror start adjusting so suddenly I'm looking at the pavement instead of what is beside me, you can see why that would pose a safety concern to myself and anybody who may be passing by.

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