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 BYD Malaysia buys back faulty Atto3

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Roman Catholic
post May 26 2025, 05:43 PM

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Yup that's some regenerative braking going on at 106km/hr to 0 km/hr in just 6 seconds.
Roman Catholic
post May 26 2025, 06:04 PM

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If it was a faulty door sensor how come this was not picked up by the owner and mentioned earlier in the initial report ?
Roman Catholic
post May 26 2025, 06:32 PM

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QUOTE(RGRaj @ May 26 2025, 06:21 PM)
The car's computer did not give any visible clues to a door sensor fault but simply shut down the vehicle.
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So it is not the door sensor is faulty right ? How can a faulty door sensor shut down the entire vehicle that is in operation ?
Roman Catholic
post May 26 2025, 06:50 PM

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QUOTE(RT8081 @ May 26 2025, 06:43 PM)
Not bad, atleast byd buys back
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Cukur. Now we know that the distributor will offer buy back immediately got door sensor problem.
Roman Catholic
post May 26 2025, 06:52 PM

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QUOTE(JoeK @ May 26 2025, 06:48 PM)
But why buy back if can replace the faulty sensor?
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It is so dangerous that replacing the faulty sensor does not cut it but must buy back for safety reasons.
Roman Catholic
post May 26 2025, 07:35 PM

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When this Atto3 failed on the fast lane, what was the HV Battery readinga ? I don't remember reading anything about this.
Roman Catholic
post May 26 2025, 07:39 PM

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QUOTE(MR_alien @ May 26 2025, 07:08 PM)
because this isn't a sensor issue, this is a programming issue
u change the sensor now...it should be fine but the programming part isn't updated

so if anytime in the future the sensor fail again, the same thing is gonna happen again
and maybe worse thing is gonna happen
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If it's a programming issue, then very likely other Atto3 will also stop abruptly, right ?
Roman Catholic
post May 26 2025, 08:13 PM

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QUOTE(Boy96 @ May 26 2025, 06:21 PM)
Same car la ayam happy with this car why sell hmm.gif
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What is the current mileage of your Atto3 boss ?
Roman Catholic
post May 26 2025, 08:49 PM

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QUOTE(Boy96 @ May 26 2025, 08:17 PM)
Tak kisah , already bekam tikus makmal for first batch pijot, ford, vw also lel
36k. But many of frens driving one already reach 100k
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Ok and I presume that the factory battery had been changed or are you still using the original factory battery ?
If you had changed the battery already, what were the weak battery readings ?

This post has been edited by Roman Catholic: May 26 2025, 08:50 PM
Roman Catholic
post May 26 2025, 08:54 PM

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QUOTE(Boy96 @ May 26 2025, 08:52 PM)
Mine is still on the factory battery

SC did the battery test during service and this is the printout

user posted image
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How long have you had the Atto3 boss ?
Roman Catholic
post May 26 2025, 09:01 PM

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QUOTE(Boy96 @ May 26 2025, 08:56 PM)
Since may 2023
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How is it that your battery is still kicking long after the warranty mileage of 20,000 kms whereas our friend battery had failed at 10 months or just above the warrantied mileage. It would be good if I have access to that battery in question so that test can be done to determine was it really the 12V battery or is it something else.

If your friends whose Atto3 already clocking 100,000 kms and they are still with the factory battery, this case lagi doesn't make any sense.

This post has been edited by Roman Catholic: May 26 2025, 09:04 PM
Roman Catholic
post May 26 2025, 09:26 PM

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Those in FMCG line can easily clock 50,000 kms per year.
Roman Catholic
post May 26 2025, 10:23 PM

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QUOTE(Boy96 @ May 26 2025, 09:32 PM)
Oh the friends with 100k mileage have had their 12v replaced at around 60k-65k. But i dont have the readings/report when it failed
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I presume your friends didn't use until the battery died correct but when their battery was tested and showed it was weak, they replaced them accordingly.

Roman Catholic
post May 26 2025, 10:30 PM

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QUOTE(Boy96 @ May 26 2025, 10:28 PM)
No, they use until cant start the car
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So their batteries failed when their vehicles were not in operation. Ok

What I would like to see is battery was still able to start the vehicle but because it wasn't healthy anymore, it died while the car was being driven.

This post has been edited by Roman Catholic: May 26 2025, 10:31 PM
Roman Catholic
post May 26 2025, 10:35 PM

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QUOTE(lurkingaround @ May 26 2025, 10:31 PM)
.
Fyi, .......

https://forum.lowyat.net/topic/5521715 - CCP EV emergency brake on highway, almost accident, Guess the brand - 5 May 2025
.
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Don't have to reply to that idiot.

The ps is very clear its the battery
Roman Catholic
post May 26 2025, 10:38 PM

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QUOTE(Boy96 @ May 26 2025, 10:34 PM)
So far none. Not even in the big whatsapp owners only group. All just cannot start car
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ICE that manages to start under such conditions, will usually end up with a busted charging system at the end. Since EV charging system is different once the low voltage battery finishes it's the end.

How can the root cause a faulty sensor at the door drain the battery while it's in operation, makes no sense at all.
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post May 26 2025, 10:49 PM

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QUOTE(poooky @ May 26 2025, 10:46 PM)
Damn scary wei. Always keep 2 car distance away from prc car to be safe. If they behind you just let them pass.

This one is 996 programming issue affect all models. Tight deadline and bad mgmt likely push dev team to just cincai duct tape the end add catch all condition to hard break, lock tayars and shut down no matter what when got error. Damn scary.
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Provided you can see them. When such EV blacks out on a dark highway how ? Just saw a video, the carcam travelling on center lane and suddenly it passed a silhouette of a stranded vehicle on the fast lane sudah kena accident without any lights at all. If the carcam on the fast lane, mana tak langgar.

Imagine a stranded EV without any power on the highway and an iCE smashes into it, which weighs more than the iCE. Mampus.

This post has been edited by Roman Catholic: May 26 2025, 10:56 PM
Roman Catholic
post May 26 2025, 11:09 PM

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QUOTE(skywardsword @ May 26 2025, 11:04 PM)
the car put itself in Electronic Parking Brake when I open the door, while it is in Drive.

Safety feature to prevent run a way car. Driver cannot simply just wedge a stick and jump out from driver door.
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Why are we talking about driver opening the door ? Didn't the driver said that after his vehicle loss all power, he couldnt even open the door ? So funny la, got some even insinuated that the car stoped because the driver opened the door. Yeah right I am speeding on the fast lane with my family in the car and I just want to open the door.

This post has been edited by Roman Catholic: May 26 2025, 11:13 PM
Roman Catholic
post May 26 2025, 11:19 PM

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QUOTE(skywardsword @ May 26 2025, 11:16 PM)
Faulty sensor, is link to the "Infotainment" system and "Driving" system, ... the so called "smart" car, even ask me when I use voice command to open the windows while crusing at 80km/hr... " Are you sure you want to open the window when the car is traveling at 80km/hr.
it is just an anecdote on how much the "smart" car is connected to the driving system. The so called safety system, will also put the car in Parking brakes(in this case electronic parking brake) when you suddenly open the door of the car without putting on the parking brake. So the car does not roll off while you get out of the car, without putting on the electronic parking brake.
All part of the system.it also have auto-hill hold, so at traffic lights, when we come to a stop, the brake is held down for us, after the car is stopped for 1-3seconds. and all that monitoring, is done by sensors. If you safety belt is not clipped, the auto-hill hold does not activate. Certainly, when the auto-hill hold brake is active, if you open the door... also the system switch to Electronic parking brake.
Hence, yes, those door open sensors are working full time and if you do not lock the doors, perhaps the sensor is constantly monitoring the door.
And yes, while the car is off, if the door is opened, it will also warn the passenger or driver that there is vehicle approaching from the back....
All that takes a lot of sensor and battery to keep running. Perhaps that is why it is getting so out of control with the 12 V battery getting used up. That is my 3 sen worth of knowledge after driving the car for 10k km. (M6 driver here)
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Then why the Singapore Atto3 proceeded to move while the driver's door was open ? Where is the safety system ?

This post has been edited by Roman Catholic: May 26 2025, 11:21 PM
Roman Catholic
post May 26 2025, 11:30 PM

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At least for ICE, when the battery is disconnected for whatever reason, the vehicle will still have another source of power ie the altenator albeit temporarily in case of an emergency. In EV once battery disconnected, terus black out. So when then Chinese guy decided to public with the limitation of the 12 volt battery, no wonder they silenced him quickly.

This post has been edited by Roman Catholic: May 26 2025, 11:33 PM

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