Forcing OBD Readiness

[ugaexploder]

I was able to test my file on 2 cars today and it worked
I patched the SAP delete, rear O2 delete, and forced OBD readiness.
Tested on SW version 2101 and 2801.

Tested on SW version 2701, works as well, thank you

[bbsuhree]

Hey guys, reviving to ask a question about OBD readiness expectations... After patching the DTC codes, should I expect my OBD monitors to immediately go green? Or does it need to go through a drive cycle? What's your process?

I see a quote here on the XDF github wiki that shows:

Regardless of which method you employ, the DME's errors must be cleared after reflashing the DME with the updated binary.

Seems to imply that you need to 'reset codes' immediately afterwords and take it for a drive?

[armenh7]

Anybody figure this out for MSS6X yet? I tried the same method that was used on MSS54 and it didn't work. I suppressed 104 DTCs and nothing. I came across an interesting page on inpa that showed completion condition counts vs conditions encountered counts that calculated to a ratio. From what I can tell, if the ratio is above 1 the monitor will set to ready

[thegenius46m]

Method 4 has worked for me for years.

[discoelk]

Patch worked great for me. Thanks!

[armenh7]

I was able to test my file on 2 cars today and it worked
I patched the SAP delete, rear O2 delete, and forced OBD readiness.
Tested on SW version 2101 and 2801.

[armenh7]

Hello everybody, I spent some time making a patchlist for the common versions disabling the DTCs mentioned above. Enjoy. I have not been able to test it as I don't have easy access to MSS54s. Please let me know if it works

https://drive.google.com/file/d/1w7jXoapCSkl81qq1fackGOrp8Wn3TnmC/view?usp=sharing

[ELEM3NT]

^You are correct. I also uploaded XDFs to help you with at least one method.....

https://github.com/saildot4k/MSS54-X...%20Swap%20XDFs

Thank you very much.

[R3Z3N]

^You are correct. I also uploaded XDFs to help you with at least one method.....

https://github.com/saildot4k/MSS54-XDFs/tree/master/Engine%20Swap%20XDFs

[ELEM3NT]

Let this go for a while and now trying to learn/work my way through the decimal list using method 1 in Tuner Pro and the excel file from saildot4k.

Any chance someone would be kind enough to tell me if I'm on the right track here?

In the example below, I am working on decimal 87, Lambda sensor 1 after cat. Signal, oxygen sensor after cat., cyl. 1-3. For my version, 2701, the location listed in the file is 0x63FA.

My cursor is on that location, highlighted as 57, and if I'm understanding the process the thirteenth byte needing to be updated with 00 would be 25 just before the FF cap. Or am I just way out in left field🤣

Any guidance from those with more experience would be greatly appreciated. Trying to get a bin file ready...just in case.

Thanks so much.

[Aavaness]

How do you exactly do this, what do I have to use/where do I have to go, I have inpa and the other programs installed. Or do I need something else? I’m going through the same issue with my car of it not passing smog, car runs perfect no cel, nothing, just doesn’t wanna get ready.

[BubbaTree]

I just went through hell trying to get the evaporation and SAP monitors to show ready for smog test. The car spent a week in the local dealership, and they finally were able to get it to pass inspection. I'm not computer savvy enough to do this coding myself, so excuse my ignorance.
ThanksI may need to learn before the next visit to the smog shop.
My real question is, what's the downside to doing this coding specifically to get past the emission guys?

[eacmen]

Thank you for posting this. This is in my future.

[andrebxp]

He zeroed out the 13th byte.

^ Yep

[Anders93]

More info on suppressing DTCs: https://github.com/saildot4k/MSS54-X...ion-Strategies. I zeroed out the 13th byte (Method 1), but those running early MS54s might need to try one of the alternative methods.

He zeroed out the 13th byte.