Quote:
Originally Posted by plusrd
I mean head unit by DVD player , I use k+d can cable it's was work when music player was installed , but now not , I was remove music player because wiring was not good I order new wiring but not installed yet , So I just want to know if music player can stop obd communication with all ecu
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Thanks for clarification. Does the car and its features, other than head unit related, actually work? If yes, then that would indicate HU indeed does play some sort of a gateway role for diagnostics equipment. Or you might have damaged some wiring during the works.