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Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 1600 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U1820 >> 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 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DTC U1820 00

Lost Communication with Brake System Control Module on Bus B

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