Emilyp Posted October 6, 2020 at 08:20 PM Report Share Posted October 6, 2020 at 08:20 PM HELP I have a 2016 ford fusion energi titanium I replaced the small normal battery and when I got in to start it it said full accessory power active and stop safely now and press break to start which I did and it wont start I've tried everything holding the button for 30 seconds changing key fob battery holding key fob to button and pressing nothing works it basically gets stuck at accessory mode and wont override and start Quote Link to comment Share on other sites More sharing options...
murphy Posted October 6, 2020 at 09:21 PM Report Share Posted October 6, 2020 at 09:21 PM Please don't post the same topic multiple times. The car is started by putting your foot on the brake and then pushing the start button. The green icon should come on in the lower right corner of the dash display. Quote Link to comment Share on other sites More sharing options...
Emilyp Posted October 6, 2020 at 09:51 PM Author Report Share Posted October 6, 2020 at 09:51 PM But it wont that's what I'm saying I press the break and start button at the same time and nothing I've had this car for a year now and just changes the battery now this Quote Link to comment Share on other sites More sharing options...
murphy Posted October 6, 2020 at 10:23 PM Report Share Posted October 6, 2020 at 10:23 PM That is strange. I wonder if it thinks it is not in Park. Put your foot on the brake and then shift to neutral. Stay in neutral for a few seconds and then shift back to park. Verify that the parking brake is engaged. Red icon on the dash. If that doesn't work do this (Yes I know it sounds crazy). Make sure car is in Park and the parking brake is applied and the car is off. Get out of the car and close the doors. Wait until there are no lights left on inside or outside of the car. Open the door , get in, fasten the seat belt,. Put the fob int compartment inside of the console in the front left corner. Key ring up and the buttons facing the rear of the car. Put your foot on the brake, push and release the start button. Did you get the green icon on the dash. The fob will work in that compartment even if there were no batteries in the fob. If that doesn't work lets do a reset of the car. Disconnect the negative lead of the 12 volt battery. Wait 5 minutes. Put the negative lead back on the battery as fast as you can to minimize any chance of it sparking. Tighten the connection but not too tight. Over tightening can cause the lead to fracture. Does the car work now? Quote Link to comment Share on other sites More sharing options...
Emilyp Posted October 6, 2020 at 10:31 PM Author Report Share Posted October 6, 2020 at 10:31 PM Ok so I did the first thing putting it into neutral and pressing parking park then tries turning it on it stopped blinking for like 10 seconds and turned on then went right back to what it was doing going to try the other methods in a min. Quote Link to comment Share on other sites More sharing options...
Emilyp Posted October 6, 2020 at 10:34 PM Author Report Share Posted October 6, 2020 at 10:34 PM Tried the second one it didnt work either now I have to get my tools out again to try the last one. Quote Link to comment Share on other sites More sharing options...
Emilyp Posted October 6, 2020 at 11:08 PM Author Report Share Posted October 6, 2020 at 11:08 PM Ok thaty last one didn't work either Quote Link to comment Share on other sites More sharing options...
murphy Posted October 6, 2020 at 11:37 PM Report Share Posted October 6, 2020 at 11:37 PM I have a 2013 and have never encountered anything like your problem. One other thought. If the contactors that connect the high voltage battery to the car are not pulling in there is no way for the car to move. There would be nothing to turn the electric motors which also means there is no way to start the engine. Turn the heat on. The heater is a 5 kW resistance heater that gets its power from the high voltage battery. If you don't get heat, that is the problem and the only recourse is via a flat bed truck to a dealer. If you do get heat it is probably still going to have to go to a dealer. Quote Link to comment Share on other sites More sharing options...
j.banzon Posted October 14, 2021 at 10:01 PM Report Share Posted October 14, 2021 at 10:01 PM Question, what is the issue why it is shown the FULL ACCESSORY POWER ACTIVE? i am using ford mustang 2016 eco boost while running along the highway, its shown the FULL ACCESSORY POWER ACTIVE, and i press the gas , even hard press my engine got stalled from 100KPH to 0 and its hard start, after 2 KM the same scenario. Question what is the cause why it keeps showing this message and got engine stalled? Quote Link to comment Share on other sites More sharing options...
murphy Posted October 14, 2021 at 11:35 PM Report Share Posted October 14, 2021 at 11:35 PM On 10/14/2021 at 6:01 PM, j.banzon said: Question, what is the issue why it is shown the FULL ACCESSORY POWER ACTIVE? i am using ford mustang 2016 eco boost while running along the highway, its shown the FULL ACCESSORY POWER ACTIVE, and i press the gas , even hard press my engine got stalled from 100KPH to 0 and its hard start, after 2 KM the same scenario. Question what is the cause why it keeps showing this message and got engine stalled? This is the Ford Fusion Energi forum. I don't know anything about the 2016 Mustang ECO boost. Quote Link to comment Share on other sites More sharing options...
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