P0A80 didn't go away after swapping modules.

Car sat about 2 weeks while I was cycling the modules. Just got everything back together and took it for a drive. It drove like crap for a bit as the rotors were rusty. Still kinda drove like crap. It was avoiding use of the HVB. I drove to the gas station maybe 3 miles away. At some point around getting gas, I noticed the HVB had a module voltage in the 9v range. Car had 2 bars HVB. Then all the sudden it jumped to whatever is about 2 bars short of full.

It seemed to have started driving nicer at some point after getting gas. My plan is to now run the 2 tests with Dr Prius. I also noticed Dr Prius was fairly inaccurate with it's modules are bad. I replaced 8 cells and only 5 were bad. I just wanted to get them all over 2000mah capacity. 6.4v-8.7v. Dr Prius said I had a problem in block 1 which was completely fine, then a imbalance in block 7 which was just garbage. Block 11 was as well but 0 mention of it.

Will this code clear anytime soon? I tried to unplug the 12v for 5 minutes like dr prius said after clearing code. Which may have been a contribution to it driving crappy. I've got to get a inspection done this month and don't know if it will pass because of this. (Austin area of Texas)

Thanks,
Higgins909

 

I did a life expectancy test just before taking it apart with the full battery test. Couldn't find it so I'm showing the old one which is the same IIRC. Then there is the tests that I just did 20 minutes ago. I hope it goes away soon.

 

I bought a lipo charger off amazon. It does all kinda of batteries. I couldn't set it to 6v discharge so I went with 6.4v as the next setting down was 5.6v iirc. Every video I seen, everyone was doing 6v. 1.45v is supposed to be the max voltage per "cell" and 8.7v per module.

The 5 bad modules I replaced for sure, were struggling around 1000mah. But what told me they were bad is that every time I cycled them, they might of improved, but then they would get worse. Every other module when cycled, it would get better and better. The other 3 were around 1700-1900. Here is my google spreadsheet.

 

I was using NiMH mode. Discharge at 2amps to 6.4v. It only ever hit about 1.4amps max. Charge at 5amps. To whatever voltage it decided to stop. I think the cables the charger had were a little thicker, but I was using 16AWG for the cables I had to make to plug in to charger and reach with usable connectors. I was originally cycling 5 times but found it was taking too long and switched to 3.

Some modules I cycled some more to make sure they were dead. I had some charger problems on modules 1&2, 13&14, 27&28 and lost numbers. I had to restart the charging cycle. That's why 1&2 have to be that bad, that first discharge. I'm just trying to make it to summer. Thought $200~ in some replacement cells and call it good. Just gotta get by.

 

I forgot to mention. Dr Prius can see the code, but the little scan tool I have can't. It's just waiting for the evap "MIL" was it to go from incomplete to complete. Something like 6 of 7 systems are complete. Not sure of its brand or model but can dig it back out and even try to scan for that info, if needed. I've probably done about 70-100 miles so far since I put it all back together. I think it usually pops up on the dash around 200 miles. Maybe it will clear itself, around there instead?

 

So I bought it in 2017 with 163k, stock. It's now 192k with oversized AT tires and a 1.5" lift. Since replacing modules, it seems it might be getting better mpg, not sure. But I've actually been able to drive and accelerate almost too fast in EV mode. Something I haven't really been able to do since I put on the bigger tires about 2 years ago.

So I did a little road trip, trying to put some miles on it to try and get the light to come on, on the dash. It hasn't. It's got right around 213miles since I got it all back together. I can get my scanner to sometimes see the P0A80 code. I don't know why it mainly can't see it. Dr Prius has no problem seeing it. Dr Prius says everything is fine otherwise.

I might go tomorrow after work or Saturday morning to see if I fail inspection. All of the EVAP and other systems are complete. Maybe I'm going to have to get even more modules... Not sure where to buy them. I bought mine off ebay and the 1st order were really good modules and then the 2nd order, not as good but better than what they were replacing. Seems most sellers go by voltage and not capacity.