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For that specific issue, you don't need the source code, you need the dealer diagnostic/programming toolkit. Hyundai GDS, BMW ISTA, each manufacturer has their

For that specific issue, you don't need the source code, you need the dealer diagnostic/programming toolkit. Hyundai GDS, BMW ISTA, each manufacturer has their own but I believe they're mostly reskinned and customized 3rd party products (I think Mazda & Ford have a shared toolkit). These give you everything from the service manual (detailed info on how to do any repair operation, with steps and photos), diagnostic code scanning and guided troubleshooters, and access to the car's electronics for putting ECUs into service mode (like the electronic parking brake) or reprogramming them with updated firmware (which is complicated and you probably don't need to do it). The service steps will interface with the car's ECUs - if you need to change the transmission fluid, the software will prepare the transmission, help you get it up to temperature and maintain that temperature, and then reset the calibration of the transmission at the end. And it'll show the technician each mechanical step they have to do along the way. Very advanced stuff. You can generally get this software a normal person, but it's a expensive subscription: https://hyundaitechinfo.com/ https://hyundaitechinfo.com/ https://bmwtechinfo.bmwgroup.com/ https://bmwtechinfo.bmwgroup.com/ You can usually find cracked versions online, but recently they've been getting more and more locked down. As for your battery replacement thing, there are 3rd party phone apps which can do it. You'll just need a compatible OBD adapter. I don't know what it is for VW, but for BMW BimmerLink gives you diagnostic info and lets you reset the battery, and BimmerCode lets you change some config options in the car ECUs to enable some useful small QoL features. I'm sure there is similar software for VAG cars.

consp 4y ago
I don't know for the most recent versions but until recently there always was a button configuration on all Fords which does this without obd adapter. Requires a bit of searching but there are plenty of forums describing it. The combinations might differ per model though. Al that DRM also makes it neigh impossible to self service your car these days.
lukeschlather 4y ago
> For that specific issue, you don't need the source code, you need the dealer diagnostic/programming toolkit. Presumably the source code to that toolkit would be just as good, and having access to the car's source code would let you build your own toolkit.
- dmonitor 4y ago
  from hundred dollar hardware and software license to "just put this image on your raspi"
OJFord 4y ago
GP doesn't personally want the source code, they're saying if it was available there would likely be an open source and/or cheaply available third-party toolkit so they wouldn't need the (probably unobtainable?) manufacturer's official one intended for dealers. > If the source code would be publicly accessible, probably a cheap OBD-2 adapter would be capable of doing this.

consp 4y ago

I don't know for the most recent versions but until recently there always was a button configuration on all Fords which does this without obd adapter. Requires a bit of searching but there are plenty of forums describing it. The combinations might differ per model though. Al that DRM also makes it neigh impossible to self service your car these days.

lukeschlather 4y ago

> For that specific issue, you don't need the source code, you need the dealer diagnostic/programming toolkit. Presumably the source code to that toolkit would be just as good, and having access to the car's source code would let you build your own toolkit.

dmonitor 4y ago
from hundred dollar hardware and software license to "just put this image on your raspi"

OJFord 4y ago

GP doesn't personally want the source code, they're saying if it was available there would likely be an open source and/or cheaply available third-party toolkit so they wouldn't need the (probably unobtainable?) manufacturer's official one intended for dealers. > If the source code would be publicly accessible, probably a cheap OBD-2 adapter would be capable of doing this.