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 Hyundai Kia ECU problem common issue?

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ktek
post Apr 24 2025, 11:44 AM

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ycs
post Apr 24 2025, 11:45 AM

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ECU, just 1 leaky capacitor
Brake switch sensor

blackpixel
post Apr 24 2025, 11:45 AM

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QUOTE(kembayang @ Apr 24 2025, 11:32 AM)
Thanks.
Just replaced once?
Yours is manual or auto?
How is the FC?
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Just once in 10 years
Manual
FC very good. no regret buying thumbsup.gif
ycs
post Apr 24 2025, 11:50 AM

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Crankshaft Position Sensor
milolauda
post Apr 24 2025, 11:52 AM

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Cerato 2015 best buy nowadays

below 20k and much solid drive compared Japs

BBB
Coldf3ar
post Apr 24 2025, 11:54 AM

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QUOTE(kembayang @ Apr 24 2025, 10:54 AM)
Wahai /k,

Ayam went through some Hyundai Kia club MY FB, quite a few issues related to ECU.
Symptoms like stuck 3rd gear, xmas lights, etc...

Any owners here can share the experience of these cars ownership?

Is it a common problem?

How frequent do you need to replace the ECU?
TQIA for the feedback appreciate it.
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for k3, 2017 and below got ecu issue.

facelift 2018 onward no more such issue, for now.
Avangelice
post Apr 24 2025, 12:05 PM

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QUOTE(milolauda @ Apr 24 2025, 11:42 AM)
why not get repaired by Pakia ? , maybe only half the cost je
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MyProLife
post Apr 24 2025, 12:09 PM

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ecu problem (and even more engine related problems) more common on 2.0 nu/2.0-2.4 theta engine that appeared on newer tucson/sportage/k5/sonata (many reports in north america)

This post has been edited by MyProLife: Apr 24 2025, 12:40 PM
Roman Catholic
post Apr 24 2025, 12:15 PM

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QUOTE(bashlyner @ Apr 24 2025, 11:44 AM)
My previous Hyundai Elantra MD year 2012 replaced it's ECU 2 years ago, reason being the battery voltage is lower than required and it spoilt the ECU.
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Here is someone who tells the truth but then when I advice customers not to do so, I can see these words flying across their forehead, ko ni nak scam aku ke ? 🤣🤣🤣🤣🤣 Well I have to find the next person who listens.

This post has been edited by Roman Catholic: Apr 24 2025, 12:17 PM
bashlyner
post Apr 24 2025, 12:19 PM

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QUOTE(Roman Catholic @ Apr 24 2025, 12:15 PM)
Here is someone who tells the truth but then when I advice customers not to do so, I can see these words flying across their forehead, ko ni nak scam aku ke ? 🤣🤣🤣🤣🤣 Well I have to find the next person who listens.
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I don't even know the voltage of my new battery, the mechanic just says it's time to change during service then quote me a price and I just say ok.

Lesson to be learnt is to remember the voltage of your battery and don't let mechanic suka suka change it.

This post has been edited by bashlyner: Apr 24 2025, 12:19 PM
milolauda
post Apr 24 2025, 12:20 PM

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QUOTE(Roman Catholic @ Apr 24 2025, 12:15 PM)
Here is someone who tells the truth but then when I advice customers not to do so, I can see these words flying across their forehead, ko ni nak scam aku ke ? 🤣🤣🤣🤣🤣 Well I have to find the next person who listens.
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battery voltage is lower than required

wat could have caused this issue ?
Sukhoi35mkm
post Apr 24 2025, 12:23 PM

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QUOTE(bashlyner @ Apr 24 2025, 11:44 AM)
My previous Hyundai Elantra MD year 2012 replaced it's ECU 2 years ago, reason being the battery voltage is lower than required and it spoilt the ECU.
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Kia k3 1.6 issue is due to capacitor leaking which the fix is change the capacitor only... I don't think lower voltage will cause capacitor leaking???
Sukhoi35mkm
post Apr 24 2025, 12:24 PM

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QUOTE(MyProLife @ Apr 24 2025, 12:09 PM)
ecu problem (and even more engine related problems) more common on 2.0 nu engine that appeared on newer tucson/sportage/k5/sonata (many reports in north america)
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Here....2.0 Nu mpi no issue....issue mostly 1.6 pre FL...
Roman Catholic
post Apr 24 2025, 12:29 PM

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QUOTE(bashlyner @ Apr 24 2025, 12:19 PM)
I don't even know the voltage of my new battery, the mechanic just says it's time to change during service then quote me a price and I just say ok.

Lesson to be learnt is to remember the voltage of your battery and don't let mechanic suka suka change it.
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Yup you are correct.

Talking about suka suka change, actually this practice is extremely rampant in the industry especially when it comes to the faulty Starter Motor. The inability to accurately diagnose this and resolve this issue, will costs the customer. Barang rosak tak ditukar tetapi asyik tukar barang yang tak rosak. Memang hebat. Cari makan bos.

This post has been edited by Roman Catholic: Apr 24 2025, 12:31 PM
cedyy
post Apr 24 2025, 12:29 PM

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Hyundai matrix 1.6 mileage now 296k. Ecu still ok. Only changed the transmission control module last year
Roman Catholic
post Apr 24 2025, 12:30 PM

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QUOTE(milolauda @ Apr 24 2025, 12:20 PM)
battery voltage is lower than required

wat could have caused this issue ?
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Kejap ada current , kejap tak de current, kejap ada current lagi ...
TSkembayang
post Apr 24 2025, 12:38 PM

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QUOTE(ycs @ Apr 24 2025, 11:45 AM)
ECU, just 1 leaky capacitor
Brake switch sensor
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QUOTE(ycs @ Apr 24 2025, 11:50 AM)
Crankshaft Position Sensor
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Thanks
What model & year?
How much are the cost?
Need towtruck?
MyProLife
post Apr 24 2025, 12:41 PM

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QUOTE(Sukhoi35mkm @ Apr 24 2025, 12:24 PM)
Here....2.0 Nu mpi no issue....issue mostly 1.6 pre FL...
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so just gdi variant more issues. i confused with theta just now. theta even more problems
Coldf3ar
post Apr 24 2025, 12:42 PM

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my 2019 k3 mileage 180k km. just changed lower arm and front absorber.
and changed all 4 ignition coil plug.

can recommend any place to clean throttle body and reset tcm?
when driving slow, maintain throttle can feel engine loss power abit. not sure what is the cause.

TSkembayang
post Apr 24 2025, 12:44 PM

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QUOTE(Sukhoi35mkm @ Apr 24 2025, 11:00 AM)
only 1.6 ... before FL .... due to some capacitor leaking which easy fix and in FB group they have someone can do it fast and few hundreds... u wanna problem free.... get 2.0...
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Thanks.

Are you referring to Cerato?

What if for 2013-2019 Picanto, Ioniq Hybrid, 2017-2018 Sportage / Tucson CRDi ?

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