Auto start/stop hasn't been working

[jeepgrady]

Both my Maverick as well as my 22 Corsair have not had the start/stop work since the fall. Obviously, I don't drive them often/far enough.

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[EONR24]

So I found where you can change your battery target state of charge in Forscan. It is located in the BCM. It comes set to 80% from the factory. I don’t know if this would help any of your battery situations but it’s worth a try. I kept a battery tender on my brand new 2024 and it would only reach a maximum of 85%. If I disconnect the terminals from the battery you can achieve 100% with a battery tender. Also I noticed, if you unplug the sensor from the negative terminal on the battery, it will show an error in the cluster but it also disables auto stop start all together when this sensor is unplugged. So that sensor seems to determine if auto stop start can be used based on the voltage. These sensors are known to go bad and cause issues in other Fords.

 

[Ford Motor Company]

Both my Maverick as well as my 22 Corsair have not had the start/stop work since the fall. Obviously, I don't drive them often/far enough.

Hello! Send us a private message with your VIN and current mileage. Allow me to see what I can do to assist. Thanks!

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