DTC U1000: Class 2 Serial Data Link Malfunction: Description

Class 2 control modules communicate through separate circuits and come together at Splice Pack SP205. From SP205, modules communicate through circuit No. 1132 (Purple wire) to Data Link Connector (DLC) terminal No. 2. DTC will set when any class 2 module detects and open along class 2 serial data line. DTC will clear when modules no longer detect an open in class 2 serial data line or when DTC is cleared manually with scan tool.