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AShyFigyesterday at 2:12 PM1 replyview on HN

Interesting. I just finished with a thorny hydraulics problem on a 9870 Combine. It turned out to be a faulty sensor. Part of my troubleshooting involved buying a new sensor, and swapping out each sensor in the system one by one with the new unit until I was sure they were all working correctly. No calibration needed. When i do need to calibrate a system i can do it all from the onboard computer.

What a systemic downgrade in capabilities.


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bri3dyesterday at 3:33 PM

Yeah, that’s a good way to summarize what people are mad about; they basically moved all of the calibration from onboard to offboard diagnostics, and then thwarted most efforts to access the offboard diagnostics.

Automotive is similar and I’m a bit worried for EVs; for ICE autos there’s enough emissions related regulation that some diagnostics and manuals are accessible, but for EVs there’s nothing much stopping a Deere style complete lockdown.

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