Hondata

Thanks for the information and help.

Just one more confirmation that programming the ECU for the correct VIN and disabling immobilizer does not affect directly to scanner connection? And the old version of K-Pro version I have should be compatible for the connection?

Yeah, I can handle the issuea ...

Attached the calibration file in use.

I found out next markings printed on ECU:

37820-PRB-A06
2068-600220

Installation is made by previous car owner and I've been driving it about 6 years now without any major modifications: However OBD2 connection has been problem all the time and now it really should be somehow activated.

I have a problem that OBD2 scanner is not connecting to ECU at all. Scanners return a connection error message (many scanners tested).

ECU PRB RSX Type S
K-Pro #2986 version 1
Firmware 1.01

I checked a wires, connectors and tested the car's original ECU with the same wiring harness (ECU without K ...