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Yeah most of the time replacing or charging fully the 12V AGM addresses many issues because all the powertrain computers run on 12V and throw fault codes if automotive voltage is unstable or drops below a certain threshold. My Spark EV threw a cautionary P150D P150E and P0AC4 in 2022 which...

Hi Geri, When you say the EV is "completely dead", are you saying the car doesn't unlock by key fob, all the lighting in the vehicle cabin stays dark or does not illuminate brightly, and the screens in your dash, as well as the center console, do not turn on? If this is the case, the 12V...

Oh you're the same guy that posted in User 2685's thread. Before you buy a new EVSE why not ask a neighbor with an EV to test your on-board charger with their level 1 or 2 EVSE? Just like in that thread, make sure the 12V AGM battery has a good state of charge so all the electronics can...

https://www.gm-volt.com/threads/2016-volt-120v-evse-is-l1-l2-conversion-capable.218442/ It's been tested that GM's OEM EVSE for the Gen 1 (circa 2013) and Gen 2 (circa 2016) Volt handles 240V. But it is hardwired to only offer 8A or 12A despite 240V typically having higher current capabilities...

A couple of weeks ago, there was this Engineering Explained YouTube video that took some excerpts from a couple of sources to discuss some of the worst things you could do to an EV battery. Eng Exp vid: source 1: https://pubs.rsc.org/en/content/articlehtml/2021/cp/d1cp00359c (Lithium-ion...

Did anyone catch this article in '22? I'd lost the article and was only just now able to type in the right keywords to uncover it again. Article https://www6.slac.stanford.edu/news/2022-01-03-revitalizing-batteries-bringing-dead-lithium-back-life and the paper...

Yeah, you need an active service plan with OnStar. I think it's around $15/mo now.

My guess is the 12V battery has gotten weak or died. 12V is needed to engage the contactors for charging. When you unlock the car and get in, are all the interior lights dim? Do the dash and infotainment screens boot up? Is the EV driveable or does it fail to start? Actually, it could make a...

What range prediction mode are you using? See the pair of images below. The default guess-o-meter with a single estimate guesses range based on your recent driving behavior. The enhanced range gauge makes 3 guesses with an upper and lower limit. Drive more efficiently and dots will visualize...

Oh yeah, happens every time for me. I always copy-paste to at least my clipboard, or a Word doc, before hitting submit. Can't trust any form unless it has an autosave feature, and the save draft button is not one of those. As a last resort, if you hit back on your browser, there's a good chance...

I've been meaning to try this out but only now found a moment to do it in real time, without the logging. Here is my test: https://imgur.com/a/pGd9hOn The top video is 9 of the columns you asked for (sorry for not neatly organizing them) and the bottom video is what I normally glance at for...

Thanks for sharing that. If the coolant heater is causing problems, you might want to check to see if the communication cable is damaged The fuse block should not have any high-voltage connectors, the voltages are automotive '12V' only. You must be referring to the Power Control Module (also...

Well, just under the back seats is where the battery pack is housed, but it should be sealed up. The fact that you can SMELL something is pretty terrifying, but fortunately you're driving a 2014 Spark EV with A123's Lithium Iron Phosphate cells. They're very safe cells that do not have a runaway...

Hey glad you resolved your issue! Could you give some more info on the solution? Which module was it? Was it sucking power and causing precharge to fail then? What did you do to repair it? Did you replace the module? What scanner were you using? If it was a generic OBDII scanner and a limited...

This thread had to do with examining the interlock loop related to OP's code, or another malfunctioning sensor related to temperature. Your code is unrelated to this, but I can try and help answer your question. Visit for code explanation...

Hi Ev4me, welcome to the forum! I'm guessing the Spark just barely fit your range criteria and you didn't account for the range dropping, is that correct? The range between extreme winter and summer varies for all cars actually. It's less noticeable when you have a car capable of >300 miles of...

Hi macarose, is there any update on your situation? Yes, the 12V battery absolutely needs to be charged or running off a power supply and provide enough power to start up the low-voltage systems. If the battery voltage is not high enough, you'll just get caught in a drain trap where the car...

I don't think that's a thing. The world wide web doesn't seem to have publically accessible engineering drawings for OEM car parts, I briefly did an exhaustive search. What prospective buyers do get, however, are compatibility tables. I personally don't know of any datasheets or dimensional...

Hey Mike, Whatever wheels an EV motors from will be the same wheels that EV will regen with. The Spark EV is FWD, and therefore the regen is FWD as regen in EVs is done by their traction motor. Because the Spark EV is FWD, the rear wheels only feature friction brakes and the e-brake. I don't...

Hey Jlel12, Sorry to hear about the play in your steering rack / tie rod ends Its awesome to hear that you gave AllData's service manuals a try. This is anecdotal, but there have been many cross-compatible parts I've used from the Spark, especially since GM has discontinued several major...