Can P0A80 code occur without actual hybrid pack failure?

Yep, long time Prius owner, first time balancer. I don't know if you read through this entire thread, so a quick recap: this pack is 12 years old with a guesstimated 360k miles; had code P0A80, but a clogged fan (see 1st picture, earlier in thread); decided to balance while transplanting into an '07 with 145k miles with P0A80 and P3015.

(EDIT: Plus, the transplant has been sitting for 7 months.)

I'm coming up on 25 hours on the charger, started at 209 volts, now it's up to 241. It held steady at 240 for several hours, and now it's been at 241 for a couple hours. Optimally, it could go as high as 274 volts, if I understand correctly, though I think the Prolong charger caps out at 250. From what Hybrid Automotive's guide says, peak voltage is 235-240. However, I was under the impression that the unit would automatically shut off once the battery reached its full potential.

 

Thanks for the link. Based on that info, I decided to shut down the charger and disconnect it, for now. I also removed the service disconnect, so I'm all ready to finish connecting the battery to the car. Since this is my first time, I'm going to shoot an e-mail off to HA to make sure I've done it right and wait for an affirmative response before I do anything else.

Unfortunately, I don't trust myself with the light-bulb discharger, and couldn't afford the automatic one, so I won't be doing a full reconditioning at this time. Since it didn't seem to have a problem with the balance, I'm hoping the pack will be okay until the new auto-discharger is available to order. I'll also try to revive the pack with the bad module then, though I'm expecting a rebuild will be necessary for that one.

 

Awesome! In the morning, I'll get everything reconnected, and see how she runs. I'll continue to give updates on this thread. Thanks for the help!

 

So, I let it sit for about 20 hours. Since the charger was still in the car, I hooked it back up and turned it on, just to satisfy my curiosity. The battery had dropped to 226 volts. Within seconds, it was at 227, so it was probably just below that when I turned the charger on. Then, after about 5 minutes, it was up to 228, and I turned it off. I have no idea what this might mean, besides the fact that the battery is still taking a charge. Dropping 14 volts in 20 hours seems to be a bit much.
I'm now in the process of hooking everything back up. Before I put all the interior back in, I'm going to drive it around for a while. She's due for an oil change, so I might risk driving to the shop to see how she does with some actual use, rather than just driving around the neighborhood.

 

It's alive! IT'S ALIVE!!!!

After getting everything connected, I turned the car on to accessory mode, and got no error codes, with the MFD showing 7 bars on the battery. So, I started it up, and the engine kicked on for about 2 minutes and shut back down; everything looking good so far. I took it for a run around the block. She seems to be operating well, though the gas engine is on more than I think it should be. However, with a light touch on the accelerator, I was able to keep her in electric mode. A/C and heat are working as they are supposed to be.

Next, we'll make a short run to the store to get lottery tickets...

 

That's the plan, when I'm not strapped for cash. I'm also a bit confused about what to get. From what I've read, it seems the cheapest option is to get an OBDII scanner which works via Bluetooth, with some special app installed on an Android device.

 

I have a laptop, but can't be taking it on long drives with me. I have a couple Android tablets, however, and even a mount in my Prius to hold one.

 

Oh, I'm not looking to permanently mount the system, just looking for portability, without having to buy more devices. The laptop I have is being used as a home computer.

 

I thought I read on one of the threads here that you could use a cheap OBDII scanner with bluetooth connection to an android device with the proper app installed to get the same diagnostics as the VCI.