![]() The Ford tech claimed the OEM battery was a deep cycle AGM and it tested fine. When the voltage gets low (9 volts was the lowest but 10 volts was common) the electronic modules start to get really wonky. I think, I hope, I have isolated the problem to the undersized OEM battery. The dealer replaced the backup camera twice and eventually the battery but the low voltage errors keep occuring. These became so frequent I began taking pictures of the screen when they occured so I could show them to the Ford dealer. Sat Nav showing locations 400 miles off from where the car was, automatic liftgate would not open, backup camera working sometimes and not others, proximity detectors giving phantom warnings (ghosts?), as well as constant low voltage shutdown alarms reported through the Ford app. For example, error messages about the automatic parking not available while driving down the street. I have a 2020 Escape Hybrid and have had a series of strange behaviors and seemingly random error messages. Edit 2Įdit 3 - If you want to keep it all Ford, or have the dealer do it, here is the Ford battery:įor everyone asking, here is the BMS reset procedure ![]() (Also called size H6)Įdit 2 - Thanks to a tip, I checked with the Ford service department and they said they do need to reset the BMS for an AGM battery. Here is the battery that I used because I found one for $125! īut any Group 48 AGM 12 volt battery will work. In the SE hybrid, there is no spare tire, so you'll see it once you lift up the floor of the rear cargo area. In the Titanium hybrid, the spare tire covers it, so remove the spare tire to see it. Some also get the "Deep Sleep" message in the FordPass app that indicates a low battery voltage for the 12v battery.Īdding a larger AGM battery helps to prevent these issues.īesides topping up the AGM battery prior to install, it took about 20 minutes.Įdit - The 12 volt battery is under the floor in the rear cargo area. Some folks have had issues with the stock 12v battery running down and not being able to unlock the vehicle, or start it by remote, or some to even start it at all, as it is needed to engage the relays for the high voltage battery. Here's a quick how to video that I made showing replacing the stock 12v 45AH lead acid battery with a 12v 70AH AGM battery.
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