Buggs1a Posted September 4, 2019 Report Share Posted September 4, 2019 I’ve got a 2013 cmax sel. I’ve had the touchscreen freeze and replaced twice in the last 8 months or so. The touchscreen freezes. Cant change vol etc. shut car off the radio is still on. So battery dies and car is dead. Won’t turn on. This has happened twice this year and happened again today. Each time ford has replaced the acm. They have to again do this. What’s so bad about this that it keeps breaking? I want the sync 3 head unit but ford won’t do it and the only site I’ve seen is shadey and a complete ripoff. Anyway I can’t have this keep breaking every few months. So what’s going on? Quote Link to comment Share on other sites More sharing options...
plus 3 golfer Posted September 4, 2019 Report Share Posted September 4, 2019 If dealer replaced ACM twice and you still have issue, the issue is likely not caused by ACM. There are many that have the radio not turn off. Some more than others. Have you tried pulling fuse 79 under glove box when it happens. That should reset whatever is causing the issue and your battery will “live”. It’s happened to me only one time since I purchased the car in Dec. 2012. As fbov has said: “I hate the phrase "They all do that" but they do. Happens to mine every 18 mos., four times in six years.” Quote Link to comment Share on other sites More sharing options...
stolenmoment Posted September 4, 2019 Report Share Posted September 4, 2019 The fault that pulling fuse 79 fixes has many different symptoms. Last evening, the touch-screen feedback noise was off, the volume knob and buttons didn't work, but I could still play music from my phone through bluetooth. This morning, the BT screen just said "undefined" and I couldn't play anything until I reset the fuse. Quote Link to comment Share on other sites More sharing options...
Buggs1a Posted September 4, 2019 Author Report Share Posted September 4, 2019 Thanks guys. Umm. Can I just replace the HU with one from Car Toys? Or can I get sync 3 cheap somehow? I don’t know if this would help. I don’t know where this fuse would be. I guess you take something off under the glove box or something? Quote Link to comment Share on other sites More sharing options...
C-MaxA2 Posted September 4, 2019 Report Share Posted September 4, 2019 I have a simple, dumb SE model (2016) with no big screen, a old key only, etc. Reading these adventures is fun - one thing less I have to worry about breaking! Keeping it simple has its virtues. Quote Link to comment Share on other sites More sharing options...
plus 3 golfer Posted September 4, 2019 Report Share Posted September 4, 2019 Thanks guys. Umm. Can I just replace the HU with one from Car Toys? Or can I get sync 3 cheap somehow? I don’t know if this would help. I don’t know where this fuse would be. I guess you take something off under the glove box or something?You can download the Owner's Manual. See this post and the next post for pic. http://fordcmaxhybridforum.com/topic/7719-radio-won’t-turn-off-and-hands-free-doesn’t-work/?p=72987 Quote Link to comment Share on other sites More sharing options...
Buggs1a Posted September 4, 2019 Author Report Share Posted September 4, 2019 Got it. Why does the dealer keep changing the ACM? Does Ford even give a dookey? It seems they don’t care to fix it. Quote Link to comment Share on other sites More sharing options...
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