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Title: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: Kacza on January 21, 2018, 07:17:18 AM Hi.
Can anyone help me turn off the second lambda probe. Does MED have a map ESKONF? I can turn off O2 in ME7 but in MED9 I did not do it. Can anyone give me guidance? Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: uhuhart on January 21, 2018, 03:01:55 PM I easy did it by changing codeword CDKAT and CDKATSP to "0". So the
cat-diagnosis is no longer active. This works if you have catless pipe. greets Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: uhuhart on January 21, 2018, 03:04:45 PM I easy did it by changing codeword CDKAT and CDKATSP to "0". So the cat-diagnosis is no longer active. This works if you have catless pipe and 2nd O2 Sensor is still installed. greets Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: Kacza on January 22, 2018, 02:30:20 PM CDKATSP is 7.
Did you remove the second probe completely from the car? Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: gman86 on January 22, 2018, 02:53:55 PM CDKATSP is 7. Did you remove the second probe completely from the car? Set to 0 but leave the probe in. The secondary lambda is used for additional fuelling corrections. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: uhuhart on January 22, 2018, 03:04:58 PM Was the same on my car, works well. CDKATSP seems to be the right way if your 2nd O2-Sensor is still installed. If you want to completely remove it, i think CDLSH and CDHSH is the right Codeword, but i haven´t tried it yet. Will try and report.
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: Kacza on January 23, 2018, 11:34:16 AM Does MED have a map ESKONF?
Can anyone say yes or no? Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: uhuhart on January 23, 2018, 01:01:03 PM No
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: tfsikiller on January 24, 2018, 02:44:57 PM Was the same on my car, works well. CDKATSP seems to be the right way if your 2nd O2-Sensor is still installed. If you want to completely remove it, i think CDLSH and CDHSH is the right Codeword, but i haven´t tried it yet. Will try and report. I have rear o2 sensor completely removed and it still throws a code with these changes. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: vwaudiguy on January 24, 2018, 03:44:05 PM I have rear o2 sensor completely removed and it still throws a code with these changes. Post the code? Preferable copy/paste VCDS scan. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: gman86 on January 24, 2018, 07:45:19 PM Post the code? Preferable copy/paste VCDS scan. It'll be diagnosis for the sensor and heater, not diagnosis for the cat. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: Kacza on January 25, 2018, 12:14:29 AM I found maps:
CDHSH CDKVS CDLSH CWKONLS CWLSHA CDLASH TKIHKBTMN TKIHKBTMX TKIVKBTMN TKIVKBTMN I think it's a good clue when you want to disconnect the second oxygen sensor. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: IamwhoIam on January 25, 2018, 02:16:47 AM and we're back to the same old moronic "please do me a lambda delete"
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: prj on January 25, 2018, 03:05:21 AM You need to disable lambda plausibility diagnosis, heater and heater endstage diagnosis. There are certain codewords to do both.
There is no ESKONF on MED9, it is done through specific codewords/voltage limits. Look through the damos "Endstufe" for end stage, "Heiz" for heater. CDLSH/CDLASH should take care of the lambda diagnosis. If you are lazy, just disconnect the lambda, note the fault codes and kill the fault classes. It is not the "right" way but in the end it makes absolutely no difference, because once a lambda fault is debounced everything regarding the rear o2 is switched off in the ECU anyway. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: Kacza on January 25, 2018, 03:40:59 AM I understand it and I know what's going on. :D
I'm just getting to know MED9 better. Is a good map address CLAAA - 1E0C8F Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: uhuhart on January 28, 2018, 03:16:27 PM I have rear o2 sensor completely removed and it still throws a code with these changes. like prj said-"end stage"-diagnosis should be disabled as well. Tested it today. You can switch it off in function DHLSHKE. There´s no more DTC now. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: BlackT on January 08, 2025, 03:22:51 AM You need to disable lambda plausibility diagnosis, heater and heater endstage diagnosis. There are certain codewords to do both. can you tell me what is fault class for P0036 - Oxygen (Lambda) Sensor B1 S2: Heating Circuit: Malfunction / Open CircuitThere is no ESKONF on MED9, it is done through specific codewords/voltage limits. Look through the damos "Endstufe" for end stage, "Heiz" for heater. CDLSH/CDLASH should take care of the lambda diagnosis. If you are lazy, just disconnect the lambda, note the fault codes and kill the fault classes. It is not the "right" way but in the end it makes absolutely no difference, because once a lambda fault is debounced everything regarding the rear o2 is switched off in the ECU anyway. Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: BlackT on January 09, 2025, 08:29:23 AM CLAHSH 03 to 00?
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: prj on January 09, 2025, 04:52:44 PM You don't need to change any CLA things at all.
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: BlackT on January 10, 2025, 03:01:40 AM How then to do it?
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: fknbrkn on January 10, 2025, 03:09:31 AM prj already mentioned this
you could do this in proper way by disabling codewords + endstufe diagnosis or just mask out DTCs like 99% market does Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: BlackT on January 10, 2025, 05:56:31 AM I want to mask out DTC, but don't know how to do it
Title: Re: Cat delete O2 sensor OFF 2.0TFSI MED9 Post by: BlackT on January 24, 2025, 02:48:43 AM CLAHSH 03 to 00? This one did the work |