Original Post: viewtopic.php?t=1430
So after taking my vehicle into Hyundai again, they could not replicate the faults. They spent a week with my car to figure out the problem. There advice was to continue driving as normal and if it was to happen again, drive it straight to them so they could try and diagnose it. It was a deflating and an unrealistic outcome.
Jump forward to last week, my car started springing all the faults up again while my dog was in the back of my car. I noticed when he was sat behind me, everything was fine. When he stood and walked to the other side, the faults showed up. When I returned home, I asked my wife to sit in the back of the car. When she sat in a certain position on the rear centre seat, the faults highlighted on my dash!!!
The image shows the exact position that when pressed, all the faults show. (Indicators stop working, front grill lights turn off, blind spot sensors fail, automatic lights fail, etc ....)
So strange, what could it be? Loose wire?
I am going to book it into Hyundai again and see what they find. Hopefully it can be fixed and my stress/anxiety levels can be reduced back to normal.
Spontaneous wave of faults; Unsafe to drive. *Update*
There's an alarm in your car to warn you that you may have left a person/dog on the back seat ot the car. This can be turned off permanently in the convenience section of settings in the infotainment system.
For the sake of research, why not turn it off and then sit wife/dog on the back seat in the position you marked and see whether you still get the alarms you've outlined.
If there's no alarms, this might help Hyundai pinpoint what the actual cause is.
For the sake of research, why not turn it off and then sit wife/dog on the back seat in the position you marked and see whether you still get the alarms you've outlined.
If there's no alarms, this might help Hyundai pinpoint what the actual cause is.
- PhilHornby
- Posts: 550
- Joined: Fri Mar 03, 2023 6:04 pm
- Location: North Devon
Under that seat, resides the 270V Traction Battery

On Page 2 of this thread, is a picture of the connectors that are visible at the end of the battery pack
On Page 3 of this thread, is a picture of the 'tin box' in which the battery pack resides.
Could one of the connectors be slightly loose - and sitting on the seat 'rocks' the battery pack enough to dislodge it?
Probably a long shot, but maybe worth pulling off that inspection panel?
N Line S Hybrid (HEV).
23 plate - built Nov '22
23 plate - built Nov '22
I'd not be doing anything near those traction batteries as all I know is they can kill.
If the problem is so easy to replicate why not just get the dealer to sort it?
If the problem is so easy to replicate why not just get the dealer to sort it?
Phil
I don't have a carbon footprint because I drive everywhere.
2022 Premium HEV
I don't have a carbon footprint because I drive everywhere.
2022 Premium HEV
why not just get the dealer to sort it?
I can't speak for the OP, but it's not a bad idea to have some prior knowledge of what the problem might be before getting told "they all do that sir".
Although on paper we have a 5 year guarantee, some dealers are a total waste of time and either can't or won't fix our problems.
Within the sharkpool of dealers, I rate mine relatively highly, but even with them I sometimes draw a blank and have fixed a couple of faults that they claim never to have seen or heard of.
In an ideal world it would be great if we could just dump our faulty car on their doorstep, demand a courtesy car and say "don't contact me until you've fixed my car" !!
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