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Discussion Starter · #1 · (Edited)
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So this is how it went, Thursday the battery was at 51% after I picked my son up from work and brought him back. It was 10pm.

So I plugged it in and charged it to 100%. The next day Friday at 4:30 pm I had to take him back to work he had to be there at 5pm, Started the Car no problem, I drove 2 blocks down and then All kinds of errors were showing up on the screen.

It told me to pull over to a safe space and turn the car off. So I turned back around and pulled into my garage head first and turned it off took my CX-9 out of the garage and brought him to work.

I Came back to my house to check the car and all the messages appeared still. So I took the negative terminal off the 12V battery and let it sit for an hour. Hooked it back up and started it, all the codes appeared.

So I figured I’ll take it to the dealer 53 miles away since it was at 100% and saying it could not charge on Saturday Morning.

Saturday morning comes around, I go to start it up and put it in drive… nope…could not even get it out of drive. I called Mazda Roadside assistance they sent me a link to have the car towed on Monday at 6am.

Monday, They finally found someone who will tow it, it’s a holiday “Labor Day” they don’t get to the house till almost 10am.

They put the entire car on Dollies because it will not get out of park. Put it up on a Flatbed and take it to the dealer.

Then the tow truck driver said 2 wheels got scraped on the Dollies and he going to “Make it right” and order 2 new wheels from the parts guy at the dealer.

I was fine with that because I was expecting the car to be there for at least a week.

He told me they only gave him $275 for the tow and the wheels were $700. I felt bad but it was his job to make sure the car did not get damaged.

So fast forward to today, Wednesday, they told me “they finally got it into neutral” and are waiting for word from Mazda Japan to do anything with it. Which was not a surprise to me since the vehicle is the only one in North America to throw multiple codes like this.

Good thing this is a 2nd car and I have a work vehicle or this would be a serious issue. Hopefully they can get this fixed in a timely manner. I don’t like paying these high gas prices.
 

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Discussion Starter · #4 ·
Was it the high voltage battery or the 12V one?
Its the high voltage battery, the 12V is fine. It’s been down for 3 weeks they have a new battery on order probably another 2 weeks until I get it back. I have been a longtime Mazda owner my first car was a 1990 Mazda 323 and this issue has not added to my Mazda enthusiasm.

Thankfully my CX-9 Signature has been perfect no issues in the 4 years of ownership. This has really tainted my feelings on Mazda EV’s moving on in the future.
 

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Its the high voltage battery, the 12V is fine. It’s been down for 3 weeks they have a new battery on order probably another 2 weeks until I get it back. I have been a longtime Mazda owner my first car was a 1990 Mazda 323 and this issue has not added to my Mazda enthusiasm.

Thankfully my CX-9 Signature has been perfect no issues in the 4 years of ownership. This has really tainted my feelings on Mazda EV’s moving on in the future.
I think you just got unlucky... this being their first EV there were bound to be slightly more issues in general but even so I haven't seen too many issues on the internet with the MX-30 (and I've seen more with other brands, especially VW, even if you factor in the larger number of cars sold by them). I'm in a similar position as you with the family car being an ICE so I accepted the early adopter risks.
 

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OP, did the Dealer diagnose this correctly?, from what I understand the fix was a Dealer software update with MDARS not a Battery pack change. Hope all is OK now.
 
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