left side curtain airbag replaced, steering wheel, lt pretensioner., and lt seatbelt too and electronic control module, was sent to reprogrammed, still after diagnosed twice giving me the same code B0020 (0-0) , Permanet DTC. Open or increased resistance in the left side air bag inflatror, there is something that call my attention and is that the ECU was sent to be reprogrammed, thinking if that could the problem, any ideas.