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How are they claiming "overdischarge" is even possible in a Lightning, given its BMS behavior?

I thought the FCSP wouldn't start a charge if the vehicle doesn't support CCS signaling, so some older cars with J1772 ports were not compatible. Is this wrong?

I still don't have WAL because OTAs stopped for my truck before the necessary BCM update, and that module can't be updated through FDRS without dealer credentials. Since I suspect the OTA to enable the toggles includes an APIM update, and those are now withdrawn from FDRS I see little point to...

My truck, at least, is connected to Wifi more of the time than it's not, because I use it only 3 days a week and both places I park it have Wifi coverage.

If you have an open recall involving the APIM (which it sounds like you do) and Ford cannot resolve it, likely because of the above referenced SSM and withdrawal of APIM updates, you should really file a report with NHTSA.

To add some clarity - SSM 53966 documents the withdrawal of APIM updates from FDRS, which means FDRS cannot be used to apply any sequence of module updates that requires an update to the APIM. This has evidently been the situation since at least July, and means among other things that if your...

Recall 25C69, supposedly fixed by software that will be delivered OTA. But some of us have not received OTA updates in literally years, and Ford has recently removed numerous updates from FDRS so even dealers can't help.

At this point I am hoping that the parking pawl recall will force the issue and @Ford Motor Company will have to resolve whatever is jamming up updates for our trucks. At present with their withdrawal of many updates from FDRS many of the earliest and most loyal owners have literally no...

With the steering wheel and seat positioning I prefer, I had to train myself to not hold my right hand where it blocks the BC face camera. It was pretty annoying until it became automatic. Driving away from a low-angle sun (sun coming in the rear windows at just the wrong angle) I've had it...

Does off-road *always* engage the differential lock? I always engage it using the Vehicle settings screen. Not that I use it very often. But we had 11" of medium weight snow here and then I got plowed in - I sure used the locking diff to great effect this morning. Off-Road mode disables...

We're talking about a trip of a week, not 3 months. The Ford portable charger will do fine if the truck starts at any reasonable state of charge. Vastly better portable chargers can be had for about a hundred bucks. Nobody's going to steal the thing.

Why would anyone even take the trouble to steal a Ford mobile charger? They're worth like $5. If that's your worry, don't worry about it. There's no other reason I can think of to not just plug your truck in and leave it on the L1 charger while you're away.

Something is terribly wrong with updates for some trucks. Despite @Ford Motor Company trying to help me I still have not received an OTA update in about 2 years. Now with whatever has caused them to withdraw module updates for some vehicles in FDRS, I suspect my truck may never get an update...

Not sure I want to get into a technical discussion of negligence with a lawyer, but, no. Firmware has bugs like this all the time. What the sigenergy product is doing is...how can I put this? It's one of the first things I would have tried if someone asked me to try to trick vehicle firmware...

That was me, though I'm not sure I was the first one in this discussion to do so. As a once (though not current, and probably not future) firmware and protocols guy, I would consider the lack of a safeguard in the vehicle's CCS implementation to open the DC contactors on this kind of obvious...

Sure, but look at it from the point of view of the vehicle firmware (more rightly the programmer maintaining it) - there's no way to know this is all the connected "charger" is going to do, once it violates the protocol spec and lowers rather than raises the voltage. It's risky to keep those...

I don't have a written source I can refer you to. I did have a long discussion with someone (an electrical engineer I work with and trust) who had personally looked at the voltages and signaling during a session on one of these and described it basically as I did above. I don't think there are...

It really is a bug that it works. What they're doing is starting a DC charging session then, at the "charger" end, violating the CCS spec by dropping the voltage instead of raising it, so current flows from the vehicle instead of to the vehicle. There is a standard for bidirectional DC...

It's a fundamental design problem. There are wires connecting every component in this system but there are multiple wireless hops used instead. To produce software fixes with the outcome of a reliable product would mean enhancing the firmware of multiple modules in the truck, and the Siemens...

Just to close out one more open question - I have been told by a Ford engineer, though not one who works in this particular area, that Ford rates its wheels lower on the front than the rear because the front wheels take more lateral forces in cornering and in off-road/"urban" driving (curb...