DTC Descriptors

This diagnostic procedure supports the following DTCs:

• DTC U2105 Lost Communication With Engine Control Module (ECM)
• DTC U2106 Lost Communication With Transmission Control Module (TCM)
• DTC U2108 Lost Communication With Electronic Brake Control Module (EBCM)
• DTC U2112 Lost Communication With Electronic Suspension Control (ESC)
• DTC U2113 Lost Communication With Sensing and Diagnostic Module (SDM)
• DTC U2116 Lost Communication With Instrument Panel Cluster (IPC)
• DTC U2118 Lost Communication With Head Up Display (HUD)
• DTC U2120 Lost Communication With Dynamic Headlamp Leveling (DHL) Device
• DTC U2122 Lost Communication With Radio
• DTC U2124 Lost Communication With Audio Amplifier
• DTC U2125 Lost Communication With Communication Interface Module (OnStar)
• DTC U2127 Lost Communication With HVAC
• DTC U2130 Lost Communication With Driver Door Module (DDM)
• DTC U2132 Lost Communication With Passenger Door Module (PDM)
• DTC U2135 Lost Communication With Rear Integration Module (RIM)
• DTC U2138 Lost Communication With Steering Column Lock Control Module (SCLCM)
• DTC U2144 Lost Communication With Distance Sensing Cruise Control (DSCC) Module
• DTC U2162 Lost Communication With Instrument Panel Integration Module (IPM)
• DTC U2163 Lost Communication With Left Rear Door Module (LRDM)
• DTC U2164 Lost Communication With Right Rear Door Module (RRDM)
• DTC U2165 Lost Communication With Driver Door Switch (DDS)
• DTC U2166 Lost Communication With Driver Position Module (DPM)
• DTC U2167 Lost Communication With Remote Control Door Lock Receiver (RCDLR)
• DTC U2172 Lost Communication With Digital Radio Receiver (DRR)
• DTC U2179 Lost Communication With Television Module

This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description .