DTC Descriptors

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0100-U0299: Lost Communication With Module
DTC U0100 00: Lost Communication With Engine/Powertrain Control Module (ECM/PCM)
DTC U0101 00: Lost Communication With Transmission Control Module (TCM)
DTC U0104 00: Lost Communication With Cruise Control Module
DTC U0121 00: Lost Communication With Electronic Brake Control Module (EBCM)
DTC U0122 00: Lost Communication With Vehicle Dynamics Control Module
DTC U0155 00: Lost Communication With Instrument Panel Cluster (IPC) Control Module
DTC U0160 00: Lost Communication With Audible Alert Control Module
DTC U0164 00: Lost Communication With HVAC Control Module
DTC U0168 00: Lost Communication With Vehicle Theft Deterrent (VTD) Control Module
DTC U0184 00: Lost Communication With Radio
DTC U0186 00: Lost Communication With Audio Amplifier
DTC U0198 00: Lost Communication With Communication Interface Module (OnStar®)
DTC U0199 00: Lost Communication With "Door Control Module A
DTC U0200 00: Lost Communication With "Door Control Module B
DTC U0214 00: Lost Communication With Remote Function Actuator (RFA)
DTC U0241 00: Lost Communication With Headlamp Control Module A