Many forms of these devices are available in the aftermarket: DTC scanners, PC scan tools, and printed circuit boards (PCB) containing necessary OBDII transmission protocols.

在售后有许多这种形式的设备都是有效的如：DT C扫描仪，电脑扫描工具和包含必要的OBDII传输协议的印刷电路板。

youdao

PC central processor, printed circuit board if there is a problem.

PC中央处理器、印刷线路板如出现问题。

youdao