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View Full Version : Volvo edc16c34 dtc ecm 7700 after dpf off



farawhy1
29th April, 2023, 01:16 PM
Hi I have Volvo edc16c34 I did egr without problem but when I do dpf I get dtc ecm 7700, read and write with ktag
Please anyone can help
solved

diags
29th April, 2023, 01:33 PM
Try and Report,
Pass in pm.

gwiazdamb
29th April, 2023, 02:31 PM
Hi I have Volvo edc16c34 I did egr with problem but when I do dpf I get dtc ecm 7700, read and write with ktag original I write original file but still the same
Please anyone can help with this problem

I uploaded original file maybe chks it's the problem so if someone can correct it please


error 7700 - motor controller - incorrect control value
ecu checks if the program is original, otherwise it will be 7700
7700 is the so-called error. checksum. It appears often in these volvo ecu after their modifications
this error can be ignored no side effects or removed during flash modification

farawhy1
29th April, 2023, 07:37 PM
But car start and stop