Original FoxFlash/ KT200 supports R/W Delphi CRD3 series ECU including CRD3, CRD3.1x~3.7x, CRD3.xx, CRD3.E1, etc.
Here we will show you some tips on reading Mercedes CRD3.1 to avoid errors.
Tips when error occurs:
1.Remove Bench Box, direct connect FoxFlash/KT200 to crd3.1 module
2.Keep Voltage at 14V using a power supplier
3.Check cable connection
Hope this could help!