Automatic Transmission Control Module Problems of Ford F-350

The contact owns a 2024 Ford F-350. The contact stated that while driving at an undisclosed speed, the transmission unexpectedly downshifted. There was no warning light illuminated. The vehicle was taken to the dealer but was not diagnosed or repaired. The dealer informed the contact that a software update had been completed on the tcm. The manufacturer was made aware of the failure and referred the contact to the NHTSA hotline for additional assistance. The approximate failure mileage was 21,000.

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Ongoing fuel system failures related to recall 24s78 – request for escalated review to whom it may concern, my name is [xxx] , and I am the owner of two 2021 Ford F-350 6. 7l power stroke diesel trucks, both of which are affected by recall 24s78 / NHTSA campaign 24v957 concerning biodiesel deposit accumulation in the fuel system and a pending pcm software update. Vehicle information: VIN [xxx] VIN [xxx] both vehicles have already experienced critical failures that directly align with the described defect in the recall, including: failure of the cp4 high-pressure fuel pump repeated clogging of the water/fuel separator filter loss of power, extended crank times, and intermittent no-start conditions these issues occurred prior to the recall remedy being available and have compromised vehicle performance and safety. I am requesting: a full inspection and evaluation of the fuel systems under the scope of recall 24s78 once the software becomes available. Coverage or reimbursement for repair or replacement of the cp4 pump and related components if found to be caused by biodiesel-related damage as described in the recall. A formal service record entry acknowledging these failures for future reference and eligibility under the recall. Escalation of this issue to a Ford regional service manager, if needed. Given the significant safety risk and the known failure history of the cp4 fuel system, I ask that Ford address this matter thoroughly and beyond a software update, if necessary. Please confirm receipt of this inquiry and advise me on next steps. I can be reached phone: [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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The contact owns a 2022 Ford F-350 sd. The contact stated while driving 20 mph and hauling a trailer, the transmission shifted rough. The vehicle was taken to the dealer and the contact was informed that the transmission was failing and needed to be repaired. The vehicle was not repaired. The vehicle was taken to another dealer and the contact was informed that the transmission control module needed to be rebooted. The tcm was rebooted, but the failure reoccurred. The vehicle was taken to the dealer, but no failure was found. The vehicle was not repaired. The manufacturer was contacted, and the contact was informed that the failure might be due to the trailer that was being towed. The failure mileage was 22,327.

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The contact owns a 2020 Ford F-350. The contact stated that after starting the vehicle, there was a loss of power steering, and the vehicle lost motive power. The vehicle failed to restart. No warning lights were illuminated. The contact used an obd scanner to retrieve failure codes for the powertrain control module (pcm) and the engine control module (ecm module). The vehicle was towed to an independent mechanic, where it was diagnosed that the fuse box and wiring harness needed to be replaced. The vehicle remained with the independent mechanic awaiting the repair. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA hotline. The approximate failure mileage was 164,000.

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Brand new 2020 f350 started having issues around 62,000 miles. . . . We have reported these issues to Ford in harriman and Ford in lenoir (they do not have a transmission specialist available in lenoir and Ford in harriman states they don't honor my extended warranty that we purchased through Ford). In January we started having issues when we were traveling on the interstate heading towards chattanooga. Which is only about 45 minutes to an hour away. The wrench light came on and the truck started to shift hard and at a high rpm , getting stuck in 7th gear not wanting to shift between 3rd and 4th gear. The truck started to go into limp mode and we managed to get it home and bring it to Ford in harriman (jerry duncan Ford). They stated the tcm needed to be reset, and proceeded with that costing $165. Three weeks later, my truck lost all gears including park and makes a really loud grinding/screeching noise when you try to shift to anything but neutral. The truck was presenting the same issues as the first time, we got it towed to jerry duncan and informed them of a recall on the 2020 f350 made between the dates of February 2019- August 2020 and April 2019 - July 2020 manufactured at the kentucky plant during these dates. My truck (same year make and model as recall ) was manufactured from the kentucky plant in November of 2019, showing the same issues and symptoms of the recall. Putting my truck dead smack in the recall time frame, again showing the same issues and symptoms stated in the recall. Preliminary dx from jerry duncan was that the transfer case mechanism has failed, ignoring the recalls on the truck (there is also 1 regarding back up camera and 1 regarding tow capacity that has never been addressed properly) $80k truck has been sitting in the shop for two weeks and won't be looked at for another week and half, and only has 72,000 miles on it, purchased a year ago. There is not urgency in this matter and I feel we are being booted to the back of the line.

The contact owns a 2020 Ford F-350. The contact stated that the vehicle was hard to shift. The vehicle lunged forward about a foot. While driving, the vehicle skipped 4th, 5th, and 7th gear. The vehicle shutdown and went into limp mode. The power train message was displayed. The vehicle was taken to the local dealer and diagnosed with the pcm needing to be reprogrammed. The vehicle was repaired however, the failure recurred. The vehicle was taken to another local dealer - cole Ford llc (410 e chicago st, coldwater, mi 49036, (517) 278-5661) and diagnosed that the vehicle was working as designed. The manufacturer was notified however, no further assistance was provided. The approximate failure mileage was 5,000.

Vehicle was attempting to clean the exhaust filter with the def system. Check engine light came on. Vehicle began slowing down. Scanner revealed code p20ba-00, reductant heater "a" control circuit performance, and p0884 tcm power signal intermittent. Vehicle was being driven at highway speed. Ford dealer contacted regarding repairs. Advised was not under warranty for emissions control. Cost prohibitive to repair.

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Ford f350 with 6. 4l diesel had check engine light (cel) illuminate while driving. Engine immediately slowed to idle (800rpm) and would not respond to throttle inputs. Was not able to clear roadway and blocked traffic on busy urban road. Dealer was "not able to find anything wrong", yet "performed calibration update on pcm". I was informed "this needs to be done as vehicle ages and sensors wear. " reviewed owners manual and did not located maintenance interval for "calibration updates to pcm. " I am certain this is an inherent pcm software code error leading to complete loss of engine operation. A dangerous situation on congested roadways.

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I was notified by Ford that my 2008 F-350 6. 4 diesel pickup had two recall notices to be performed. On 1. 29. 08 I took the truck to capistrano Ford and they performed recall 08b06 and recall 08b07. Since then the automatic transmission has not performed the same. I pull a fifth wheel trailer. The dry weight of the trailer is about 9000lbs. When going downhill the automatic transmission no longer downshifts to assist in braking and downhill speed control. The transmission is equipped with a tow/ haul setting on the end of the shift lever. Before the recall this feature worked great. As you start down a hill, taking your foot off the gas the truck will coast and then begin to pick up speed. When the transmission sensed the increase in speed while coasting, the transmission would automatically downshift. It would do this at any speed. After the recall, the transmission will not downshift until long after it has any affect on braking or speed control. While braking, sometimes hard if it is a steep hill, the transmission will downshift and the truck will shutter. It is a short burst that is very noticeable and obviously not normal. The shutter never happened before the recall. I have taken in back to Ford twice and they say that the transmission control module (tcm) was reprogrammed as part of recall 08b07 but they can not change it back to the original program. In short, Ford will not do anything about this. The operational safety of the vehicle, while towing loads that the truck is designed to tow, has been compromised. Ford says they can not do anything about it. Is anyone else having this problem? according to Ford this complaint has not been made. If I'm the only one having the problem, then Ford should fix my truck.

On two separate occasions vehicle stalled. The first time it was at 5 mph, and the second time it was at 35 mph. Vehicle was taken to the dealer on both occasions, and they were not able to resolve/ duplicate this problem. . . . . Vehicle speeds up on its own and misses out running down the road at 60 mph. Rpms around 1500 rpms . Reprogrammed pcm and tcm to latest calibration.

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When the accelerate pedal was depressed vehicle hesitated before accelerating. It will jerk into gear. Dealership indicated the engine wanted to stall with acceleration when running. Repairs, pcm reprogramming.

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