NefMoto > Technical > Reverse Engineering > Re: HFM Error Code Disable Bosch Me5.2
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Author Topic: Re: HFM Error Code Disable Bosch Me5.2  (Read 4245 times)
mikers4
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« on: February 29, 2020, 09:34:44 AM »
Good Afternoon,

Would anyone be able to offer any advice on how to disable this error code ?

Car is a Porsche with no MAF and error is logged in ECU.

Bosch Me5.2 2000 year car.

I have had a good look through the file and no matter what I adjust the DTC still persists.

Any help appreciated.

Mike
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dragon187
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« Reply #1 on: March 01, 2020, 10:21:20 AM »
upload file
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mikers4
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« Reply #2 on: March 01, 2020, 12:01:40 PM »
There it is.
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dragon187
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« Reply #3 on: March 01, 2020, 12:49:20 PM »
Try this and report

Adress D68
16Bit LoHi
Ori      -> Mod DTC OFF
Hex 0073   -> FF00
Dec 115   -> 65280

maybe next time you can also give full error reading.

BR
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dragon187
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« Reply #4 on: March 01, 2020, 12:54:02 PM »
Adress D68
16Bit LoHi
Ori           -> Mod DTC OFF
Hex 0073   change to FF00
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dragon187
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« Reply #5 on: March 01, 2020, 12:56:54 PM »
Try this and report

Adress D68
16Bit LoHi
Ori      -> Mod DTC OFF
Hex 0073   -> FF00
Dec 29440   -> 65280

maybe next time you can also give full error reading.

BR
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mikers4
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« Reply #6 on: March 01, 2020, 01:07:46 PM »
Hi, Thanks will give it a go in the morning and report back.

Mike
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mikers4
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« Reply #7 on: March 02, 2020, 01:19:03 AM »
Morning,

That has worked! Thank You very much.

Do you mind explaining how you came to FF00 to disable the DTC ? and will this work with all DTC disable on this ECU ?

Mike
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dragon187
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« Reply #8 on: March 02, 2020, 10:01:07 AM »
I can disable all dtc but this is not the right way.
Repair car.
If you work in that business you will know why and how it works.
Nobody learn in one day.
If you are hobby than go to a good local tuner and pay him.
On that forum you will not get custom modded files.

BR
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mikers4
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« Reply #9 on: March 02, 2020, 11:49:34 AM »
Quote from: dragon187 on March 02, 2020, 10:01:07 AM
I can disable all dtc but this is not the right way.
Repair car.
If you work in that business you will know why and how it works.
Nobody learn in one day.
If you are hobby than go to a good local tuner and pay him.
On that forum you will not get custom modded files.

BR

Hi, I am just learning. I have OLS300 and genuine WINOLS customer account.

I ask about the DTC as the car has no HFM anymore as mapped by Manthey Racing many years ago and it was left like this.

I have sorted a bad idle issue out with the car already.

I was just asking how you got to that number... I almost tried FFFF in place of the original value. Would that of worked too ?

Mike
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