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Diagnostic Code Index

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

DTC Description
DTC B1000  B1000 00: Electronic Control Unit (ECU) Performance No Additional Information Available
B1000 04: Side Object Detection Performance - RAM Failure
B1000 08: Electronic Control Unit (ECU) Performance Signal Invalid
B1000 12: Electronic Control Unit (ECU) Performance Below Minimum Threshold
B1000 31: Electronic Control Unit (ECU) General Checksum Problem
B1000 33: Electronic Control Unit (ECU) Performance Special Memory Failure
B1000 34: Electronic Control Unit (ECU) Performance RAM Integrity
B1000 35: Electronic Control Unit (ECU) Performance ROM Integrity
B1000 36: Electronic Control Unit (ECU) Performance EEPROM Integrity
B1000 37: Electronic Control Unit (ECU) Performance Watchdog / Safety Failure
B1000 38: Electronic Control Unit (ECU) Performance Supervision Software Failure
B1000 39: Electronic Control Unit (ECU) Performance Internal Electronic Failure
B1000 43: Electronic Control Unit (ECU) Performance EEPROM Error
B1000 46: Side Object Detection Performance - Invalid Configuration
B1000 56: Electronic Control Unit (ECU) Performance Allowable Number of Transitions/ Events Exceeded
B1000 57: Electronic Control Unit (ECU) Performance
B1000 73: Electronic Control Unit (ECU) Performance Parity Error
B1000 0F: Electronic Control Unit (ECU) Performance Erratic
B1000 2B: Electronic Control Unit (ECU) Performance Missing Reference
B1000 2C: Electronic Control Unit Performance Reserved
B1000 3B: Electronic Control Unit (ECU) Performance Internal Self Test Failed
B1000 3C: Electronic Control Unit (ECU) Performance Internal Communications Failure
B1000 F0: Side Object Detection RF Transmit Chain Failed
B1000 F1: Side Object Detection RF Receive Chain Failed
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 B1009  B1009: EEPROM Checksum Mismatch/Error
DTC B1016  B1016 00: VIN Not Programmed
DTC C0550  C0550 00: Electronic Control Unit (ECU) Performance
C0550 31: Electronic Control Unit (ECU) Performance
C0550 32: ECU Performance General Memory Failure
C0550 34: ECU Malfunction RAM Failure
C0550 35: ECU Malfunction ROM Failure
C0550 36: ECU Malfunction EEPROM Failure
C0550 37: ECU Malfunction Watch Dog failure
C0550 38: ECU Performance Supervision Software Failure
C0550 39: ECU Performance Internal Electronic Failure/Discard
C0550 4B: ECU Internal Fault
DTC U0020  U0020 00: Low Speed CAN Communication Bus Performance
DTC U0073 or U2100  U0073 00: Control Module Communication Bus Off
U0073 71: ECU HS Bus Off
U0073 72: ECU LS Bus Off
U2100 00: Controller Area Network (CAN) Bus Communication
U2100 47: Controller Area Network (CAN) Bus Communication
DTC U0100-U0299  U0100 00: Lost Communication With ECM/PCM
U0100 75: Lost Communication With ECM/PCM
U0100 7F: Lost Communication With ECM/PCM
U0101 00: Lost Communication With TCM
U0102 00: Lost Communication With Transfer Case Control Module
U0104 00: Lost Communication With Cruise Control Module
U0104 7F: Lost Communication With Cruise Control Module
U0117 00: Lost Communication With Electrical PTO Control Module
U0121 00: Lost Communication With Anti-Lock Brake System (ABS) Control Module
U0122 00: Lost Communication With Vehicle Dynamics Control Module
U0131 00: Lost Communication With Power Steering Control Module
U0132 00: Lost Communication With Ride Level Control Module
U0134 00: Lost Communication With Power Steering Control Module - Rear
U0136 00: Lost Communication With Differential Control Module - Rear
U0140 00: Lost Communication With Body Control Module
U0141 00: Lost Communication With Body Control Module A
U0151 00: Lost Communication With Restraints Control Module
U0151 71: Lost Communication With Restraints Control Module Invalid Serial Data Received
U0151 7F: Lost Communication With Restraints Control Module Erratic
U0155 00: Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0156 00: Lost Communication With Information Center A (DIC)
U0158 00: Lost Communication With Head Up Display
U0159 00: Lost Communication With Parking Assist Control Module
U0160 00: Lost Communication With Audible Alert Control Module
U0164 00: Lost Communication With HVAC Control Module
U0165 00: Lost Communication With HVAC Control Module - Rear
U0168 00: Lost Communication With Vehicle Security Control Module
U0170 00: Lost Communication With Restraints System Sensor A (PPS)
U0172 00: Lost Communication With Rollover Sensor
U0184 00: Lost Communication With Radio
U0186 00: Lost Communication With Audio Amplifier
U0291 00: Lost Communication With Television
U0194 00: Lost Communication With Digital Radio Receiver (DRR)
U0198 00: Lost Communication With Telematic Control Module
U0199 00: Lost Communication With Door Control Module A (DDM)
U0200 00: Lost Communication With Door Control Module B (PDM)
U0208 00: Lost Communication With Seat Control Module A (DSM/MSM)
U0209 00: Lost Communication With Seat Control Module B (HVSM)
U0210 00: Lost Communication With Seat Control Module C (RHVSM)
U0214 00: Lost Communication With Remote Function Actuation
U0230 00: Lost Communication With Rear Gate Module
U0232 00: Lost Communications With Side Object Detection (SOD) Module - Left
U0233 00: Lost Communications With Side Object Detection (SOD) Module - Right
U0236 00: Lost Communications With Column Locking Module (CLM)
U0241 00: Lost Communication With Headlamp Control Module A
U0249 00: Lost Communication With Entertainment Control Module - Rear B
DTC U1500  U1500 00: Inter-Device Dedicated Bus 1
DTC U1814  U1814 00: Powertrain High Speed Communication Enable Circuit
DTC U2099  U2099 00: High Speed Communication Enable Circuit
DTC U2103  U2103 00: Fewer Controllers On Than Programmed
DTC U2104  Controller Area Network (CAN) Bus Reset Counter Overrun
DTC U2105-U2199 (Except U2142 and U2143)  U2105 00: Lost Communication With Engine Control System
U2106 00: Lost Communications With Transmission Control System
U2107 00: Lost Communications With Body Control System
DTC U2105-U2199 (U2142 or U2143 only)  U2142 00: Lost Communication With Yaw Rate Sensor (YRS)
U2143 00: Lost Communications With Steering Angle Sensor (SAS)