this post was submitted on 20 Dec 2024
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Why don't cars have diagnostic software loaded onto their infotainment centers? (lemm.ee)
submitted 1 day ago* (last edited 1 day ago) by recreationalcatheter@lemm.ee to c/showerthoughts@lemmy.world
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Modern cars have MASSIVE digital displays, loads of computers systems monitoring every subsystem and internal diagnostics running to the OBDII ports.

Why the hell can't we get diagnostic feeds on our console or infotainment center?

I'm not aware of any car manufacturers selling their own diagnostic ASICs, so it's not an extra margin to squeeze afaik...

What gives? Any insight into this beyond the usual muh corporate profits conjecture?

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[โ€“] bstix@feddit.dk 12 points 9 hours ago (1 children)

They don't want to maintain the software for it.

Also, they simply don't want you to know. Especially if the whole setup is already a patchwork of sensors that barely work together in the first place. It might cause unnecessary questions, concerns or even liabilities.

A lot of it is useless anyway as long as the car is not broken, and if it is broken, the sensor might be broken too. It's meant for diagnostics only.

[โ€“] recreationalcatheter@lemm.ee 0 points 3 hours ago

They don't want to maintain the software for it.

That's fine, I just want the error codes displayed on the existing screens. No software necessary for that. Maybe a simple script at worst..

Also, they simply don't want you to know.

They want it to be known, otherwise there wouldn't be fail codes output to the OBDII port....

It's meant for diagnostics only.

Yes. Why don't they display diagnostics error codes on the existing displays? I'm fine with special display modes and "secret" menu options.