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U2106 Diagnostic Trouble Code Discussion for August 2009

ECM - No Communication With Transmission Control Module


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Trouble Ticket Help Requests for DTC U2106
Help Request Posted
2007 Pontiac Torrent 3.4L MIL Lamp on, COMMUNACATION VIN: 1G45L87557
U2106: comm tcm. This thing cam to me with the battery drain andf the radio njot working. I was unable to find a drain and the radio started working sent it out to see if it fixed it self came back next day the drain did not return but it was setting at least 12 u codes loss c...
August 30, 2009
2007 Pontiac Torrent 3.4L MIL Lamp on, COMMUNACATION VIN: 1G45L87557
U2106: comm tcm. This thing cam to me with the battery drain andf the radio njot working. I was unable to find a drain and the radio started working sent it out to see if it fixed it self came back next day the drain did not return but it was setting at least 12 u codes loss c...
August 30, 2009