this post was submitted on 20 Dec 2024
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted, clever little truths, hidden in daily life.

Here are some examples to inspire your own showerthoughts: 1

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Why don't cars have diagnostic software loaded onto their infotainment centers? (lemm.ee)
submitted 1 month ago* (last edited 1 month 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] 4 points 1 month ago

What I've learned with 15 years in the DIY repair sphere is that (obviously to me) the codes don't tell you what's at fault, only what's not reading correctly and (to my surprise) the general public will just replace what the code says is off. A MAF code doesn't tell you if it's the sensor, the wiring, or the PCM.

While I'd certainly appreciate a simple code readout because I'm pretty knowledgeable about which are actually concerning this moment vs this year vs never, diagnosis typically takes more equipment and time. The cost and hassle of the reader is negligible in the repair. I use a Bluetooth dongle and Torque app to read all kinds of stats when diagnosing. An integrated interface would be convenient in some ways, but the portability of a phone/tablet probably has an equal amount of convenience once hard diag is needed