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Re: 2009 GM Van, U0101 & U0109 Codes
Posted to Technical Discussion Forum on 10/23/2017

I checked for continuity in the high speed bus wires. I did not have a connection between DLC 6 and 14 to FPCM pin 21 and 22. If I move the connector on the EBCM the continuity comes and goes. I am hoping it is some loose terminals in the EBCM connector. Thank... Login to read more.