this post was submitted on 20 Dec 2024
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225
Why don't cars have diagnostic software loaded onto their infotainment centers? (lemm.ee)
submitted 2 days ago* (last edited 2 days ago) by [email protected] to c/[email protected]
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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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[–] [email protected] 23 points 1 day ago (3 children)

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

What? The errors are intentionally vague so the drivers are forced to go to a dealer, giving them a chance to lie and pretend that's something very serious and very expensive, while all they're going to do is a reseat of a cable and a error reset

Btw Car scanner supports showing obd data on Android auto. It's a game changer for hypermilers

[–] [email protected] 3 points 20 hours ago (1 children)

I disagree... Error codes from the OBD port are usually system-specific. They make troubleshooting very easy if you use online resources... I just want a quick readout on the included hardware.

Not a fan of dongles and such. I own a few different 'Amazon specials' and the UI feels like hot garbage (given I use them maybe 1-2x a year at most).

[–] [email protected] 1 points 16 hours ago

Error codes are system specific but I mean their own dashboard just says "engine error" and not even "error 943” which you can search by yourself

[–] [email protected] 1 points 1 day ago (1 children)

I think it's more that the protocol is universal across the industry even though engines are all built somewhat differently, so you can only have a generic code to tell you what's wrong.

[–] [email protected] 1 points 16 hours ago

I mean the errors that are shown on the car dashboard. If it's an error about the lambda sensor, it will just say "engine error, please contact dealer" or something like that

[–] [email protected] 2 points 1 day ago

The name sounds like my phone is going to wake up in a bathtub full of ice and missing a camera module, but Car Scanner is legit.