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Post by waledsa on Jan 9, 2021 4:07:30 GMT
Hey everyone,
i changed the setting on MY16 gti to audi setting (increased engine responsiveness) and i get 03-brake fault (P164700)clear it and then it came back again, is there a way fix it?or code it, becuse what i under stand the faulty code will go away if i change the engine setting to VW(stock).
thanks.
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Post by dv52 (Australia) on Jan 9, 2021 19:25:10 GMT
waledsa : Not sure I understand, why don't you just change Byte0 on the Engine control module back to hex 01 (the audi setting is hex02)? Don
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Post by waledsa on Jan 10, 2021 3:22:07 GMT
i tried to change Byte0 with hex09 to hex02 on the Engine control module long coding at first didn't work, then i tried one click app feature worked well and i get a new hex0A instead of hex02, but an error message 03-brake fault came up, i don't now if these error is about the change i do or its just another changed or coding need to be done (cruise control maybe)
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Post by dv52 (Australia) on Jan 10, 2021 5:45:04 GMT
waledsa : hmm........ lets talk about hexadecimal/binary number systems and the purpose of the software switches in Byte 0 of the Engine Control module (ECU). If you have set Byte 0 to the value hexA0, it means that the binary number equivalent (i.e. the Bits)= 1010 0000. Remembering that Bits in a binary number are read from right-to-left (so Bit 0 is the right-most digit and Bit 7 is the left-most digit), this means that the value of Bits 0-2 is hex00 (i.e. xxxx x000) which means that you have set the car type to Manufacturer: not specified. The normal value for VW in Bits 0-2 is hex01 ,or 0001 for Byte 0.
If you changed the value of Byte 0 originally manually (and even if you used an APP), I suggest that you look in the HISTORY records for the "old value" - then revert the setting back to this value
Don
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Post by waledsa on Jan 10, 2021 12:12:38 GMT
wow thanks for the explanation very helpful, i will try to change the value manually and will go from there and will see if the fault code goes away
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Post by dennis3 on Mar 10, 2021 20:56:01 GMT
Did It work?
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Post by eyeshield21 on Jun 18, 2022 5:37:50 GMT
I also did this via one click app and now cruise control doesn’t work, any suggestion?
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Post by vjburic1 on Aug 17, 2022 6:27:57 GMT
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