Diagnostic Code Index
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 4A: Side Object Detection Performance - PROM Checksum Error B1000 F0: Side Object Detection RF Transmit Chain Failed B1000 F1: Side Object Detection RF Receive Chain Failed B1000 F2: Side Object Detection Frequency Calibration Failure B1000 F3: Side Object Detection Inter-Processor Communication 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 B137A | B137A 01: Hybrid Accessory Wake Up Circuit - Short to Battery B137A 06: Hybrid Accessory Wake Up Circuit - Short to Ground or Open |
| DTC B137B | B137B 06: Accessory Power Module Wake Up Circuit - short to ground or open |
| 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 U0074 | U0074 00: Control Module Communication Bus B Off |
| DTC U0100-U0299 (HP2) | U0100 00: 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 U0109 00: Lost Communication With Fuel Pump Control Module U010F 00: Lost Communication With Air Conditioning Control Module U0121 00: Lost Communication With Anti-Lock Brake System (ABS) Control Module U0122 00: Lost Communication With Vehicle Dynamics Control Module U0125 00: Lost Communication With Multi-axis Acceleration Sensor Module U0129 00: Lost Communication With Brake System Control Module U0131 00: Lost Communication With Power Steering Control Module U0132 00: Lost Communication With Ride Level Control Module U0137 00: Lost Communication With Trailer Brake Control Module U0140 00: Lost Communication With Body Control Module U0141 00: Lost Communication With Body Control Module A U0146 00: Lost Communication With Gateway "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) 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 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 U0241 00: Lost Communication With Headlamp Control Module A U0249 00: Lost Communication With Entertainment Control Module - Rear B U0293 00: Lost Communication With Hybrid Powertrain Control Module U0298 00: Lost Communication With DC to DC Converter Control Module A |
| DTC U0100-U0299 (Except HP2) | U0100 00: 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 U0109 00: Lost Communication With Fuel Pump 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 C126C, C126D, C12E3, or U180F | C126C: Control Module Communication Bus B Off C126D: Control Module Communication Bus B Off C12E3: Control Module Communication Bus B Off U180F: Control Module Communication Bus B Off |
| DTC U180F | U180F: Control Module Communication Bus B Off |
| DTC U1812 | U1812 00: Battery Energy Control Module Bus B High Speed Communication Enable Circuit Low |
| DTC U1813 | U1813 00: Battery Energy Control Module Bus B High Speed Communication Enable Circuit High |
| DTC U1814 | U1814 00: Powertrain High Speed Communication Enable Circuit |
| DTC U1815 | U1815 00: Lost Communication With Drive Motor Control Module "A" on Bus "B" |
| DTC U1816 | U1816 00: Lost Communication With Drive Motor Control Module "B" on Bus "B" |
| DTC U1817 | U1817 00: Lost Communication With Hybrid Powertrain Control Module on Bus "B" |
| DTC U1818 | U1818 00: Lost Communication With ECM/PCM A on Bus B |
| DTC U1820 | U1820 00: Lost Communication with Brake System Control Module on Bus B |
| DTC U1821 | U1821 00: Lost Communication With Battery Energy Control Module on Bus B |
| DTC U182A | U182A 00: Lost Communication With DC to DC Converter Control Module A on Bus B |
| DTC U1842 | U1842: Lost Communication With ECM/PCM |
| DTC U1843 | U1843: Lost Communication With ECM/PCM |
| DTC U1862 | U1862 00: Battery Energy Control Module Lost Communication With Communications Gateway Module |
| DTC U1866 | U1866 00: Battery Energy Control Module Lost Communication With Body Control Module |
| DTC U186A | U186A: Lost Communication With Transfer Case Control Module |
| DTC U186B | U186B: Lost Communication With TCM |
| DTC U1875 | U1875 00: Drive Motor A Control Module Lost Communication With Battery Energy Control Module |
| DTC U1876 | U1876 00: Drive Motor Control Module A Lost Communication With Engine Control Module (ECM) |
| DTC U1878 | U1878 00: Drive Motor B Control Module Lost Communication With Battery Energy Control Module |
| DTC U1879 | U1879 00: Drive Motor Control Module B Lost Communication With Engine Control Module (ECM) |
| DTC U1885 | U1885 00: Battery Energy Control Module Lost Communication With Hybrid Powertrain Control Module |
| DTC U1886 | U1886 00: Battery Energy Control Module Lost Communication With Engine Control Module (ECM)/Powertrain Control Module (PCM) |
| DTC U1888 | U1888 00: Lost Communication with Battery Pack |
| DTC U189A | U189A 00: DC to DC Converter Control Module A Lost Communication With Hybrid Powertrain Control Module |
| DTC U2099 | U2099 00: High Speed Communication Enable Circuit |
| DTC U209A | U209A 00: High Speed Communication Enable Circuit Low |
| DTC U209D | U209D 00: Battery Energy Control Module High Speed Communication Enable Circuit High |
| DTC U2100 | U2100 00: Controller Area Network (CAN) Bus Communication |
| DTC U2103 | U2103 00: Fewer Controllers On Than Programmed |
| DTC U2105-U2199 | U2142 00: Lost Communication With Yaw Rate Sensor (YRS) |