In {B1402} it has "The standard LS1 sensor is a resonent type,These sensors are connected like so" SENSOR BANK #1-J1,pin56 and SENSOR BANK #2-J1,pin11.I looked up PCM pinout's and it has SENSOR BANK # 1 in pin #51 NOT pin #56.Pin #11 is right.Does it matter,Is that just an error in the tune tool.I was courious to what sensor's I had.................Paul