FORScan can be downloaded and used with an OBDLinkEX USB ($49) or OBDLink MX+ Bluetooth ($99) adapter to reset BMS , similar to Snap-on. The BMS has to learn the new battery for 8 continuous hours. I successfully did some mods with ForScan shortly after I got the truck. You can do this by unplugging the white balance harness for a short period before plugging it again. FORScan is free. NOTE for ForScan Lite > @Alpha Dog has confirmed that ForScan Lite v1.5.9 on an iPhone iOS v14.2 appeared to reset the BMS successfully. And a video of the results . Perfroming a BMS reset will reset the battery SOC to a default of 85%- regardless of its true state of charge and reset the SOC drain timers. follow instructions. You need to hard reset the BMS before unsoldering it. The BMS usually doesn't interfere, most people don't change it. How use FORScan to Backup Modules Data. if you got the bluetooth one, make sure your laptop has bluetooth on it. Have you ever had trouble with the electrical system on a newer Ford? You can reset BMS via forscan software on a laptop and an elm 327 adapter. Posts: 59 Likes Received: 29 Joined: Jan 25, 2018 Location: Queensbury, NY. Larry Jeffords Full Access Member. BMS uses these values to calculate Soc and State of Health (SoH). How do you test your BMS module? Remember, the primary goal of the BMS is fuel efficient and knowing when the battery need sxharging and when it doesn't. literally takes 30 … For a reset of the BMS: 1. A faulty BMS can cause battery inefficiency. It's true that the BMS will "learn" over 8 hours (literally any interaction with the car counts - doors, key fob button press, dookeypad), but that's not a reset. The OBDLink adapters aren't inexpensive , but could quickly pay for themselves if you're … This is the primary reason why the BMS gets tested. Press 5x the rear fog light button (do not switch 5x on and off the rear fog light) 4. In this Diagnostic Quick Tip, National Field Trainer Jason Gabrenas shows you how to reset the system using a scan tool. XI.Disconnect FORScan from vehicle. This should get you out of load shed. Apr 26, 2020 at 3:33 PM #5. BMS reset procedure with Ford "Diagnostic Engineering Tool": any newer cheap OBD2 dongle will work fine. Connect to FORscan and click the Programming icon noted by the red arrow and you should see all the modules FORScan found in your truck. Switch on ignition (do not start engine) 2. Vehicle: 2013 Lincoln MKZ. Method to reset BMS NOTE: Do not conduct the reset unless a battery has been replaced, refer to "When should the BMS be factory reset?" otherwise get a USB one. If you have it and replace the battery at the dealer, they should be able to reset it with their computer so you don't have to wait 8 hours. Again, not all the trucks have it, look and see. The BMS continuously monitors the voltage, current and temperature of the battery. How to Use FORScan to Backup Module Data File. After replacing my battery (with an AGM), I've been trying to avoid paying the dealer for a BMS reset, and I don't have Forscan or even a computer. It's possible the Battery Monitoring System needs to be reset. Tried it on my '20 GT and it seems to work. I found the following on an F150 forum. once in FORScan and it detects your car, go to Settings (i think its a wrench?) Last edited: Apr 26, 2020. You can reset the BMS yourself in Forscan. for procedures and BMS reset will be in there. Procedure must be carried out within 10 seconds: Switch ignition on (engine off) Pull and release high beam 5 times. The BMS is the sensor used to provide this information.
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