Communication DTCS (U Codes)
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| U1009 | SCP (J1850) Invalid or Missing Data for Engine Torque | ABS/TC Module or Stability Assist Module | Refer to ENGINE CONTROLS - SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1027 | SCP (J1850) Invalid or Missing Data for Engine RPM | ABS/TC Module or Stability Assist Module | Refer to ENGINE CONTROLS - SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Instrument Cluster | Refer to ENGINE CONTROLS - SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Tire Pressure Monitoring System | Refer to ENGINE CONTROLS - SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL | ABS/TC Module or Stability Assist Module | Refer to AUTOMATIC TRANSAXLE/TRANSMISSION article. |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL | Instrument Cluster | Refer to AUTOMATIC TRANSAXLE/TRANSMISSION article. |
| U1062 | SCP (J1850) Invalid or Missing Data for Engine RPM | VAPS Module | Refer to SUSPENSION SYSTEM article. |
| U1073 | SCP (J1850) Invalid Or Missing Data for Engine Coolant | ABS/TC Module 6r Stability Assist Module | Refer to ENGINE CONTROLS - SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | Instrument Cluster | Refer to ENGINE CONTROLS - SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| U1123 | SCP (J1850) Invalid or Missing Data for Odometer | Instrument Cluster | Refer to INFORMATION, GAUGES & WARNING DEVICES . |
| U1249 | SCP (J1850) Invalid Data for Time/Date | Instrument Cluster | Refer to INFORMATION, GAUGES & WARNING DEVICES . |
| U1262 | SCP (J1850) Bus Communication Bus Fault | ABS/TC Module or Stability Assist Module | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U1262 | SCP (J1850) Bus Communication Bus Fault | Instrument Cluster | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U1262 | SCP (J1850) Bus Communication Bus Fault | Tire Pressure Monitoring System | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U1900 | CAN Communication Bus Fault | ABS/TC Module or Stability Assist Module | Refer to ANTI-LOCK CONTROL article. |
| U1900 | CAN Communication Bus Fault | 4WD Control Module | Refer to FOUR WHEEL DRIVE SYSTEMS article. |
| U1901 | CAN Network No. 2 Communication Bus Fault Receive Error | ABS/TC Module or Stability Assist Module | Refer to ANTI-LOCK CONTROL article. |
| U1950 | UBP Communication Bus Fault | 4WD Control Module | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U1950 | UBP Communication Bus Fault | Instrument Cluster | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U1950 | UBP Communication Bus Fault | Vehicle Security Module | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U2003 | Audio Compact Disc/Disc Jockey Unit Is Not Responding | Navigation Module | REFER to ENTERTAINMENT SYSTEM article. |
| U2005 | Audio Rear Integrated Control Panel Unit Is Not Responding | Navigation Module | REFER to ENTERTAINMENT SYSTEM article. |
| U2013 | Compass module Is Not Responding | Instrument Cluster | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U2023 | External Node Fault DTC | 4WD Control Module | Refer to FOUR WHEEL DRIVE SYSTEMS article. |
| U2306 | UBP Invalid Node 60 | 4WD Control Module | Refer to FOUR WHEEL DRIVE SYSTEMS article. |
| U2226 | UBP Invalid Node 610 | 4WD Control Module | Refer to FOUR WHEEL DRIVE SYSTEMS article. |
| U2362 | UBP Invalid Data From DEATC | Instrument Cluster | Refer to INFORMATION, GAUGES & WARNING DEVICES . |