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Diagnostic Code Index

WARNING: This page is about a different car, the 2006 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1000  Electronic Control Unit (ECU) Performance
DTC B1370  Device Ignition 1 (ON and START) Circuit
DTC B1380  Device Ignition ACCESSORY Circuit
DTC B1385  Device Ignition START Circuit
DTC B1422  Device Power Moding Error
DTC B1440  Power Mode Master Input Circuits Mismatch
DTC U0001  High Speed CAN Communication Bus
DTC U0002  Fewer Controllers On than Programmed
DTC U0073  Controller Area Network (CAN) Bus Communication
DTC U0100-U0299 
  • DTC U0100 Lost Communication With Engine Control Module (ECM)
  • DTC U0101 Lost Communication With Transmission Control Module (TCM)
  • DTC U0104 Lost Communication With Distance Sensing and Cruise Control (DSCC) Module
  • DTC U0121 Lost Communication With Electronic Brake Control Module (EBCM)
  • DTC U0141 Lost Communication With Instrument Panel Module (IPM)
  • DTC U0181 Lost Communication With Dynamic Headlamp Leveling (DHL) Control Module
DTC U2100  Controller Area Network (CAN) Bus Communication
DTC U2103  Fewer Controllers On than Programmed
DTC U2105-U2199 
  • 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