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Diagnostic Code Index

WARNING: This page is about a different car, the 2008 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1000  B1000 00: Engine Control Unit Performance - No Additional Information
B1000 31: Engine Control Unit Performance - General Checksum Error
B1000 57: Engine Control Unit Performance - Expected Reaction After Event Did Not Occur
DTC B1001  B1001 00: Option Configuration Error
B1001 45: Option Configuration Error Variant Not Programmed
B1001 46: Option Configuration Error
B1001 4B: Option Configuration Error Calibration Not Learned
DTC B1004  B1004: Keep Alive Memory (KAM) Reset
DTC B1007  B1007: EEPROM Write Error
DTC B1009  B1009: EEPROM Checksum Mismatch
DTC B1013  B1013: Calibration Read Only Memory (ROM) Checksum Error
DTC B1014  B1014: Program Read Only Memory (ROM) Checksum Error
DTC U0001  U0001 00: High Speed CAN Communication Bus
DTC U0073 or U2100  U0073: Controller Area Network (CAN) Bus Communication
U2100: Controller Area Network (CAN) Bus Communication
DTC U0100-U0299  U0100 00: Lost Communication With Engine/Powertrain Control Module (ECM/PCM)
U0101 00: Lost Communication With Transmission Control Module (TCM)
U0104 00: Lost Communication With Cruise Control Module
U0121 00: Lost Communication With Electronic Brake Control Module (EBCM)
U0140 00: Lost Communication With Body Control Module (BCM)
U0151 00: Lost Communication With Sensing and Diagnostic Module (SDM)
U0155 00: Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0184 00: Lost Communication With Radio
DTC U1000 and U1255  U1000 and DTC U1255: Class 2 Data Link
DTC U1001-U1254  U1001-DTC U1254: Class 2 Data Link
DTC U1300, U1301, or U1305  U1300: Class 2 Data Link Low
U1301: Class 2 Data Link High
U1305: Class 2 Data Link High or Low
DTC U2105-U2199  U0100 00: Lost Communication With Engine/Powertrain Control Module (ECM/PCM)
U0101 00: Lost Communication With Transmission Control Module (TCM)
U0104 00: Lost Communication With Cruise Control Module
U0121 00: Lost Communication With Electronic Brake Control Module (EBCM)
U0122 00: Lost Communication With Vehicle Dynamics Control Module
U0132 00: Lost Communication With Ride Level Control Module
U0140 00: Lost Communication With Body Control Module (BCM)
U0151 00: Lost Communication With Sensing and Diagnostic Module (SDM)
U0155 00: Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0159 00: Lost Communication With Parking Assist Control Module A
U0164 00: Lost Communication With HVAC Control Module
U0168 00: Lost Communication With Vehicle Theft Deterrent (VTD) Control Module
U0170 00: Lost Communication With Passenger Presence System (PPS)
U0184 00: Lost Communication With Radio
U0186 00: Lost Communication With Audio Amplifier
U0194 00: Lost Communication With Digital Radio Receiver (DRR)
U0198 00: Lost Communication With Communication Interface Module (OnStar®)
U0199 00: Lost Communication With Door control Module A
U0200 00: Lost Communication With Door control Module B
U0209 00: Lost Communication With Heated Seat Module (HSM)
U0214 00: Lost Communication With Remote Function Actuator (RFA)
U0241 00: Lost Communication With Headlamp Control Module A