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Message: <blockquote data-quote="clevor" data-source="post: 25123" data-attributes="member: 6998"><p>So, this morning I went out and connected the TCM. Turned on key with engine off and got some new codes and some went away. The new ones are: U1041, U1064, U1300, U1301, U1016. These are all CAN buss related. When I unhook the clear connector on the TCM they go away. This doesn't surprise me as the comm wiring is on this connector. Also, I get a U1000 now that tells me a module is missing from the CAN buss. Is there a scan tool that can verify that the TCM is pulling the CAN buss down. Seems like I'm narrowing it down, but I would like to be certain.</p></blockquote><p></p>