Ford F-350 owners have reported 2 problems related to navigational (global positioning system) gps (under the equipment category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Ford F-350 based on all problems reported for the F-350.
Accessory protocol module (apim)- faulty, there is a service bulletin for the 2020 f superduty trucks when the apim fails the stereo locks up of goes black which is causing distracted driver to reset during driving to get the gps directions working. The voice over does not work and have to input address manually. The phone sync does not work and cannot get the original owner out of the system even through Ford pass relating to possible theft and or changing the door code. The interior ambiant lights do not work and I am concerned the adaptive cruise control and crash alert might be a major concern if not replaced. My Ford dealer has deemed my apim is bad and unable to update the software and gps and was quoted over $1500 to replace on my truck.
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On 7 Aug 2022, I lost cruise control, navigation function (gps0 and had problems with other elecrical functions on instrument cluster. I took truck to my local Ford dealer; they rand Ford diagnostics on truck and it had 3 module errors listed. They cleared the codes and tried to get me to accept the vehicle. Road tested it and there efforts of clearing the codes did not fix any thing. Brought back in shop on 10 Aug 2022. Diagnostics ran again now narrowed it down to apim failing 3 times in 2 days. Now deallership says they have to order part from California if they have them in stock. This truck only has 22,000 miles on it. Has had multiple failures of equipment for fuel system listing codes p0191 2 and threee times per day. Dealer will not attempt to fix that problem. Just says deal with it.
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all problems of the 2021 Ford F-350
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