来自OBD的数据少于指定字节数


3

0100( https://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_1_PID_00 )应提供4个字节的数据。但是有一些情况,比如奥迪A4 2.0 TDI,0100的数据不到4个字节。数据垃圾也是如此?或者数据可能在字符串的开头包含零(从ELM 327 OBD适配器发送时已省略)?


您是否有可以与我们分享的数据的原始转储?您是以二进制模式传输数据吗?
Zaid
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