Changing ECU

[Mr Whippy]

Thing is if you reset with generic OBD, the PP counter doesn't 'see' it I'm fairly certain.

I thought the PP counter simply stored other data with the reset and it was that which clogged up the space in flash (ie, storing the history of resets)... so there is only finite space (like 10 texts on old phones haha)

That is what I believe any way... possibly worth seeing if there is a 'reset' counter in PP to clear all previous logs and start again at 1.


Not sure which memory is used for fault code logging either... starting to read into the different chips a bit now so might be able to advise better in the future. I have a feeling the 8 pin chip storing the car coding (security), immo data, and car config data (matches to BSI where required) is where fault codes go. If that is the case maybe it does have a limited reset life-time.
I'd have to get an ECU and force codes a few times, then reset via generic OBD, then check the flash mem on the different chips.

Then do the same again but reset with PP, and then check again hehe...

Uh, tiring work but interesting

Dave