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Hey Mickey, If you swap BMU's it has to be reprogrammed with the the now VIN number or the ECU has to be reprogrammed to accept it. I've not done it before so I don't know the procedure but I know it checks all this information before it talks to it. There is a function to reprogram in the MUT...

The reason this occurs is the new cells produce higher currents that the weak cells cannot handle and the Voltage sags so much you get a turtle. I have seen worse things happen than this… on a homemade pack a guy I know replaced half of the pack with new cells and melted the wires between the...

I believe the 4 cell modules are on the wrong side in this schematic. in the picture below you can see the battery disable plug it is orange. That plug is under the drivers seat. Front left on an American vehicle. The schematic says that is CMU7, so CMU12 is next to Module 11 moving across the...

The dual cell bus bar above won't work with the stock plastic covers because the bus bar is mounted on top of the plastic cover. The cover has ridges or separators if you will that keep the original Yuasa cells from moving around, this feature prevents the cover from closing because these ridges...

I sent you a PM on this..... but I left off the singles which I believe will be needed as shown in your drawing above.

These may be different than Mikes but these are the measurements I made.

LEV60 are LFP or LiFePO4 (Lithium Iron Phosphate).

What Kiev said is true but the bigger issue with LFP is the voltage. The NMC cells are charged to 4.15v or 4.1v I can’t remember but LFP cells can only be charged to 3.65V. I believe you would need to completely replace the BMU or reprogram it and perhaps the CMUs. Their may be others here that...

You are welcome to experiment but I already tried that and this was the best method in my opinion. Mike may have another opinion but it looks as if he chose the same path.

Thanks Mike. I look forward to reading it. Just a note: I didn’t see a step removing the CMU screws from the batteries before removing plastic cover. Oh, I see it. Step 9. I think there are 9 screws total. 5 on the main CMU and 4 on the daughter CMU. Ok, I see it step 25. Very nice job Mike.

Finally I found the time to remove my pack and replace the CMU's. Powered up last night and connected the MUT3. No DTC's. Yeah! Next upgrade to the code I am going to work on is storing Remembered Ah so there will be less dependence on voltage checks. The code is already ported to a CANDuino...

Yes, that is correct. The equation can be found on the forum.

I agree with Mickey. Mitsubishi Service Manual Code No. P1AAB: Numbers Of Cells Abnormal Correction:(Sorry the 2012 manual has a bad link. Here is the one to 2013.)

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I explained it in several posts and even spoke about the evidence I collected to figure out this solution. I agree with kiev, there are a lot of posts and people get lost on which guys are actually doing the work to figure it out and everyone else. There were a few iterations because some of my...

I was informed that I left my code in this version that masks my CMU board error. So here is a version without that code. BTW it's called a Controller Area Network or CAN bus.

I don't think I ever downloaded MMCodingWriter. I will let you know.

Yes, as I understood kolyandex.... he downloads the file from your BMU and modifies it. Then he re-flashes the BMU with the changes. I don't know how you read the file because that ability is grayed out (non-functional) on my MUT3 driver. He said I could do it from the MUT3 but I can't find that...

1) The cells were 88 mm tall LEV50's are 98mm so I added fillers so the cells would not move around. The are also thinner and so I added felt spacers between cells as well. 2) The length is a few mm longer and I had to use a Dremel tool to remove some of the plastic case so the cells did not...

Sorry, I didn't understand what you said. Maybe I read it too fast. I will try again. FYI, I have the dongle from kolandex. but the driver SW is 2.1. So you are just wrong in what you said. (i.e. Version 2.1 is the version without the usb hardware dongle like i explained also above.) When I...