Macbook Pro, Repaired, given 90 days warranty, fails again but Authorised Repair Centre wont honour warranty.

@leroydouglas is absolutely correct.

Unfortunately most techs have no understanding of Kernel Panics or how to read them. Apple only "trains" their techs to follow a flow chart and rely on the service diagnostics. Usually if the diagnostics pass which is usually the case except for extreme hardware failures, then an Apple tech will say there is no problem.

The best way to get Apple to take notice of a hardware issue is by reproducing the failure while running a clean install of macOS. A clean install of macOS involves erasing the whole physical SSD (Intel Macs only) followed by reinstalling macOS.

Do NOT Install any third party software

Do NOT restore from a backup

Do NOT sign into your AppleID or iCloud.

Disconnect all external devices from the computer.

If you still have a failure under these conditions, then it confirms a hardware issue which Apple should repair.

The other thing going against you here is that the MBPro 16" (2019) model has an extremely high rate of Logic Board failures....much more than any other model. Besides basic Kernel Panics, most users will also see a lot of "ProxiedDevice-Bridge" panic logs as well which are related to the T2 security chip. I would never spend any money on repairing this specific model. In fact I question whether any 2018-2020 Mac should be repaired beyond a battery replacement because I have personally seen too much weird Logic Board issues with them while supporting my organization's Macs. In fact, I was just assisting another user on this forum within the last couple of weeks where they encountered a similar issue where their Logic Board was replaced & the replacement also had Kernel Panics and I confirmed that they were not running any third party software that would have caused such a problem. They also were having trouble getting Apple to honor the 90 day part warranty (they may have had two Logic Board replacements already and needed a third). That user had the same model as yours.

If you cannot get any satisfaction from the manager of the repair shop, then you should definitely contact Apple directly to complain about the issue. I doubt Apple support will be of much use, but worth a try. More than likely you will need to contact Apple corporate to lodge a complaint. I know years ago that Apple took those types of complaints very seriously...no idea if that still holds today.

You can also check your local consumer protection laws or consult a lawyer if all else fails.

I wish you good luck & hope you are successful in getting Apple to honor that 90 day warranty.

wawix wrote:

Not sure why my first post got removed but anyway, Macbook Pro 16” 2019 was repaired for the 2nd time, this time out of Applecare+. (in Bali Indonesia).

Agreed to the quote to fix Logic board and Touch ID by the Authorised Service Centre,

After using it for 3hrs, I get a kernel panic warning and it restarts. Keeps doing this.

Now the repair centre nor headqtrs in Jakarta wont honour the warranty and say I must pay another Rp,14million (us$900) because a different part needs replacing.

The initial diagnostics says that kernel panic did show up, so they actually havent fixed that. They said the diagnositics after repairs said it was ok. Then why give a 90 day warranty?

Has this happened to anyone? and what should I do?

https://discussions.apple.com/content/attachment/fe007c26-b3c3-483f-b2ce-b45b21cddb9d

hard to believe—

what are you going to do, escalate up the chain of command at your Bali/Jakarta store seems your limited options.

you should be able to see your recent repair here—Check your coverage

My Support - Official Apple Support

I can say—Kernel Panics are predominately caused by hardware faults or faulty third-party kernel extensions.

Learn what to do if your computer restarts or shuts down unexpectedly, or you get a message that your computer restarted or shut down because of a problem.

If your Mac restarted because of a problem - Apple Support

To trouble shoot further you can:

—A SafeBoot Use safe mode on your Mac - Apple Support will sort many anomalies

Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled.

Login and test. Reboot as normal and test. Caches get rebuilt automatically.

This test will tell you if third party interference; most extensions etc are not loaded in safe boot mode.

—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support

This will tell you if it a universal issue or isolated to your user/admin account. 

unplug all non-essential third party peripherals when testing

Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS

You can try contacting Apple support to see if they can do anything for you, but I'm a bit doubtful.

Otherwise you will need to contact Apple corporate.

For what it's worth I doubt the Dropbox app is related. Whoever told you that seems to be grasping at straws.

Nearly all KP events are due to defective hardware or are a least hardware-related. If the hardware itself is not faulty then they are caused by low level hardware drivers (kernel extensions).

It's difficult for anyone on this site to provide anything remotely resembling a hands-on inspection, but it seems to be you're getting a runaround by the service center. Kernel panics should never occur on a properly functioning Mac.

I'm experiencing a recurring issue with my 2021 16" MacBook Pro M1—specifically, kernel panic warnings. The computer was sent to iBox, where they diagnosed issues with the logic board, which they claimed to have replaced, though I'm skeptical. I received the computer back after 2 weeks, but the problem reoccurred in less than another 12 days. It's now been almost 30 days since it was sent back under warranty, and apparently, they are now either replacing or repairing the logic board again. They haven't disclosed whether they're using new parts or previously used ones that meet Apple's standards.

I've been informed that parts might come from Singapore, but I find it hard to believe it should take this long. My warranty expires in August, but Apple provides a 90-day warranty on repairs. However, I'm concerned they might claim it's a different part if the issue persists.