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and may I just add...you guys are stellar. Way more help than Ford has ever been. Let's get together some time, drink a beer, and set fire to a dead starting battery. ?

That is one of the sub files in my 3.10 release below.

The problem with going through the “elaborate set of maneuvers to reset it” is that there is no apparent feedback (that I saw) indicating that the battery age was reset after completing the procedure. One inadvertent “slip up” in the reset procedure and the age will not be reset. So, as takingittothemax indicates you would want FORScan to reset it and to verify the age was reset. I believe that battery age like, for example, the odometer reading would be saved in permanent memory and thus not lost if the battery was disconnected for a long period of time.

I don't think so. You have to use Forscan and a OBD-II connector, or do an elaborate set of manoeuvres to reset it.

SUCCESS!!! Sunnyvale Ford was finally successful in updating the SyncGen 2 software from 3.6.2 to 3.10. This after only a week, 2 different dealers, multiple reprograms wiping out my settings, multiple different conversations with Ford Tech Support by the dealers...but perseverance is important both on the part of the owner and the dealer. So hats off to Sunnyvale Ford, they are my dealer going forward. No more Frontier Ford. They committed the sin of trying to charge me for the update. Thanks to those of you who provided posts or emails with details of your success or failure. To show my appreciation, I offer the following: 1. First, the class action that prompted Ford to create CSP 19K03 is a recent event and it's safe to say Ford has been having problems with implementing a wider update for all of us to 3.10 ever since. I'm guessing the issue is with Ford Engineering and involves the IDS software and/or Sync software as well as crappy communication with the dealers. The dealers need to step up their game as well. 2. Some of you with a later model C-Max(e.g. 2014, 2015) have been lucky because when you go to the Sync Update page you have a 3.10 file to download. Some of you chose to download files posted by a third party which I think is risky personally, but to each his own. For many of us - especially us early adopters (2013) - we continue to get screwed over and just see: "You're all up to date!" when we go the Sync Update page. So Ford, after I put in my VIN, just say: "The latest update is 3.10. You must go to the dealer." Don't lookup my VIN and tell me I have the latest software, you freakin' morons! What a roll-out! 3. As I've previously recounted, I took my 2013 C-Max Energi to Frontier Ford and they couldn't do the update. Two times they reprogrmmed the APIM and the PCM, both times the sw version stayed at 3.6.2. Then they wanted to charge me. 4. So I went to Sunnyvale Ford. They kept the car a week and kept having the same issues as Fronitier Ford. They reprogrammed the APIM and PCM twice, but the software would not update. No DTCs, no error messages, nothing. But thankfully, this dealer kept reporting back to Ford Tech Support. Finally today, 5/26/20, the dealer said, we can't do it. I said, damn, ok, I'll be over to pick up my car...but on the way over, they managed to complete the update. I'm now at 3.10. 5. What made the update work finally? The dealer says two things may have helped: a. Ford did an update to the IDS software over Memorial Day weekend. b. Something about switching cables or using one cable as opposed to two from the IDS laptop to the APIM module? Sorry, I could not get clarity from the dealer on this one. Conclusion 1. See attached files. They detail what a successful IDS update to 3.10 looks like and show the conversations between the Dealer and Ford Tech Support. 2. Check your CCPU Software version, then use the Wikipedia link olidx provided to decode what software you're currently running. You may be told by Ford and the dealer you already have the latest version of the software. Have no doubt 3.10 is the latest version of SyncGen 2 software. 3. Ford has screwed this update process up miserably. I count three dealers in my area that couldn't complete it. I suspect Ford's IDS software and/or APIM software has issues. 4. Have no doubt the dealer can do the update. Insist they call Ford Tech Support if the update fails. If you're in my area, go to Sunnyvale Ford, ask for Markus. 5. The dealer must do this update for free as per the terms of the class action and CSP 19K03, but only until July 2020 is my understanding. So get on it. Also you get a year of free support after the upgrade. Hope this helps you. Cheers all. Successful IDS Update to 3.10.pdf IDS 3.10 Update Ford Tech Support.pdf