Hello again,
The OBD works fine on our other car. It does work on the volvo and read the info and dtcs in other system.
Do you mean to clean the obd port in the car?
Thanks,
Best regards,

Hello jonesj,
Thanks for response. I used "Creader VII+/VIII" made by LAUNCH.
Best regards,
P.S. Happy Labor Day.

A follow up. My vehicle is 2002 V70 with 2.4( No Turbo)

Hello, The ABS, Traction, and Brake lights came on. Using OBD the massage was "wheel speed sensor". I replace that, but I could not erase the warning massages. The OBD gives me the massage" Communication Problem With ECM" I removed the ECM and cleaned the connections ( someone su...