One problem related to automatic transmission control module has been reported for the 2011 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 GMC Acadia based on all problems reported for the 2011 Acadia.
Looses power while driving. Cannot jump the battery it needs to be recharged every time. Power steering stops working while driving( low rpm and when stopped) dangerous for merging or lane changes. Engine shudders when trying to accelerate. Tcm/ ecm replaced 2020. Problem still persists. Whining noise upon start of the vehicle. Auto start will not work. Traction control light, check engine airbag and.