Need help interpreting hybrid battery voltage check

Bluebird,
You are on the right track. Going by your information, one module of the pair in Block 5 is causing your problem and the other 27 modules are probably fine. If you just want to replace that module and get back on the road, what you need to do is find one good OEM module that is close to the other 27, and install it. You don't want to purchase a Gen 3 module, or a 2007 module that's been cycled a bunch of times. You want one as close as possible to the 27 good ones. If you install one excellent condition module to replace the bad one, it will have different characteristics and you may or may not continue to throw codes.

 

If you decide you want to 'refresh' the battery by cycling the modules, you're looking at several days time depending on how many charger setups you purchase.

A problem you may run into is that you know your voltages, but you don't know your module capacities. This makes it a bit of a guessing game to find the right module to just bolt in and go. Sometimes you can get lucky (I have before) and you swap one module and the car runs fine for a year (or years), other times, the 'whack-a-mole' situation arises. Finding a matched module is the key.

Taking the time to cycle and measure capacity of each module makes it much easier to match a replacement module. It just takes a lot more time. There are several guys on the forum (including myself) who could easily supply you with a module. I have hundreds, of various years and capacities, as I'm sure several others also have.

 

Please search for existing threads about HV battery health. PLEASE.

In general, if one block has gone bad, others won't be far behind......so replacing them one at a time is not practical (for most owners).

"New" ones can be had for around $1500; that is covered in the other threads on this subject.

 

I sell tested modules.
Plus I can help you on the phone.

In a perfect world, after replacing a single module, you would then use a Hybrid Automotive Prolong system before reinstalling in the car.
Then continue to use the system periodically to keep things in good health.

Glad to hear you spent some time reading the forums. There's good info here.
Feel free to call if you want to talk things through.

 

So here's my point:
What makes you think that your car is any different than the hundreds of others in a similar situation that have already been discussed on here ?? Hint: it isn't any different.

The options are all out there. Only YOU can decide what is right for YOU.

I think if you carefully think through the options......a 10 year old car with high mileage......and try to view the situation logically and not emotionally, you will arrive at the right option FOR YOU. With a car of that age, other things are likely to start going bad too.

In my opinion, you should consider replacing a single module ONLY as a short term fix while you make arrangements to find a different vehicle or save up a bit to buy a whole new battery. But again, it is the different owners who pick out the option that is best for them......with cars in an identical situation. Asking others who don't know YOU what is your best option is pointless.