I now you say connection but Just asking... If so and still getting the code then I would say there is a problem in the main engine harness, or the ECU... Search the ECU plug pin diagram and locate the pins... Unplug the harness from the det sensor and the ecu and check continuity between the pin and the plug with a multi meter... Two checks on two wires, see if there is continuity and then check and see what the resistance is on each wire... I don't know for sure but I would say that it should be infinite resistance considering its a straight wire..