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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Data Communications System) >> Diagnostic Information and Procedures >> DTC U1901 >> DTC Descriptor
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Descriptor

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DTC U1901 00

Lost Communication With Front Controls Multifunction Interface Module