Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| U0001:88 | High Speed CAN Communication Bus: Bus Off | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0002:88 | High Speed CAN Communication Bus Performance: Bus Off | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0011:88 | Medium Speed CAN Communication Bus Performance: Bus Off | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0028:08 | Vehicle Communication Bus A: Bus Signal/Message Failures | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0028:88 | Vehicle Communication Bus A: Bus Off | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0074 | Control Module Communication Bus B Off | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0100 | Lost Communication With ECM/PCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A . |
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A . |
| U0100:87 | Lost Communication With ECM/PCM "A": Missing Message | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A . |
| U0102 | Lost Communication With Transfer Case Control Module (4X4CM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST H . |
| U0102:00 | Lost Communication With Transfer Case Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST H . |
| U0104 | Lost Communication With Cruise Control Module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST I . |
| U0104:00 | Lost Communication With Cruise Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST I . |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST B . |
| U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST B . |
| U0126:00 | Lost Communication With Steering Angle Sensor Module (SASM): No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST L . |
| U0131 | Lost Communication With Power Steering Control Module (PSCM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST D . |
| U0131:00 | Lost Communication With Power Steering Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST D . |
| U0140 | Lost Communication With Body Control Module (GEM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST U . |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST U . |
| U0140:87 | Lost Communication With Body Control Module): Missing Message | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST U . |
| U0151 | Lost Communication With Restraints Control Module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E . |
| U0151:00 | Lost Communication With Restraints Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E . |
| U0154:00 | Lost Communication With Restraints Occupant Classification System Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST F . |
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U0155:87 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: Missing Message | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U0158:00 | Lost Communication With Head Up Display: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST G . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST J . |
| U0159:00 | Lost Communication With Parking Assist Control Module "A": No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST J . |
| U0161:00 | Lost Communication With Compass Module: No Sub Type Information | REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . |
| U0162:00 | Lost Communication With Navigation Display Module: No Sub Type Information | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0163:00 | Lost Communication With Navigation Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST N . |
| U0164 | Lost Communication With HVAC Control Module (EATC) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST V . |
| U0164:00 | Lost Communication With HVAC Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST V . |
| U016A:00 | Lost Communication With Global Positioning System Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST P . |
| U0184 | Lost Communication With Radio (ACM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST M . |
| U0184:00 | Lost Communication With Radio: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST M . |
| U0197 | Lost Communication With Telephone Control Module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST Z . |
| U0197:00 | Lost Communication With Telephone Control Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST Z . |
| U0208:00 | Lost Communication With "Seat Control Module A": No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST T . |
| U0214:00 | Lost Communication With Remote Function Actuator: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST Y . |
| U0238 | Lost Communication With Digital Audio Control Module "D" (DSP) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST W . |
| U0238:00 | Lost Communication With Digital Audio Control Module "D": No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST W . |
| U0241:00 | Lost Communication With Headlamp Control Module (HCM): No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST K . |
| U0242:00 | Lost Communication With Headlamp Control Module "B": No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST R . |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST Z . |
| U0255 | Lost Communication With Front Controls Interface Module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST N . |
| U0255:00 | Lost Communication With Front Display Interface Module: No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST O . |
| U0256:00 | Lost Communication With Front Controls Interface Module "A": No Sub Type Information | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST N . |
| U0401 | Invalid Data Received from ECM/PCM A | RETRIEVE and FOLLOW the DTCs from the PCM. |
| U0401:00 | Invalid Data Received from ECM/PCM A: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the PCM. |
| U0401:68 | Invalid Data Received from ECM/PCM A: Event Information | RETRIEVE and FOLLOW the DTCs from the PCM. |
| U0405 | Invalid Data Received from Cruise Control Module | RETRIEVE and FOLLOW the DTCs from the C-CM. |
| U0405:55 | Invalid Data Received from Cruise Control Module: Not Configured | RETRIEVE and FOLLOW the DTCs from the C-CM. |
| U0405:68 | Invalid Data Received from Cruise Control Module: Event Information | RETRIEVE and FOLLOW the DTCs from the C-CM. |
| U0415 | Invalid Data Received From Anti-Lock Brake System (ABS) Control Module | RETRIEVE and FOLLOW the DTCs from the ABS module. |
| U0415:00 | Invalid Data Received From Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the ABS module. |
| U0418:68 | Invalid Data Received from Brake System Control Module: Event Information | RETRIEVE and FOLLOW the DTCs from the ABS module. |
| U0420 | Invalid Data Received From Power Steering Control Module | RETRIEVE and FOLLOW the DTCs from the PSCM. |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the SJB. |
| U0422:55 | Invalid Data Received From Body Control Module: Not Configured | RETRIEVE and FOLLOW the DTCs from the SJB. |
| U0422:68 | Invalid Data Received From Body Control Module: Event Information | RETRIEVE and FOLLOW the DTCs from the SJB. |
| U0423:00 | Invalid Data Received From Instrument Panel Cluster Control Module: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the IPC and other modules. |
| U0423:68 | Invalid Data Received From Instrument Panel Cluster Control Module: Event Information | RETRIEVE and FOLLOW the DTCs from the IPC and other modules. |
| U0424:68 | Invalid Data Received From HVAC Control Module: Event Information | RETRIEVE and FOLLOW the DTCs from the HVAC module. |
| U0428:00 | Invalid Data Received From Steering Angle Sensor Module (SASM): No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the SASM. |
| U0428:68 | Invalid Data Received From Steering Angle Sensor Module (SASM): Event Information | RETRIEVE and FOLLOW the DTCs from the SASM. |
| U0430:68 | Invalid Data Received From Tire Pressure Monitor Module: Event Information | RETRIEVE and FOLLOW the DTCs from the SJB. |
| U0452 | Invalid Data Received from Restraints Control Module | RETRIEVE and FOLLOW the DTCs from the RCM. |
| U0459:68 | Invalid Data Received from Head Up Display: Event Information | RETRIEVE and FOLLOW the DTCs from the HUD module. |
| U045A:00 | Invalid Data Received From Parking Assist Control Module "A": No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the PAM. |
| U045A:55 | Invalid Data Received From Parking Assist Control Module "A": Not Configured | RETRIEVE and FOLLOW the DTCs from the PAM. |
| U045A:68 | Invalid Data Received From Parking Assist Control Module "A": Event Information | RETRIEVE and FOLLOW the DTCs from the PAM. |
| U0462:68 | Invalid Data Received From Compass Module: Event Information | REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . |
| U0464:68 | Invalid Data Received From Navigation Control Module: Event Information | RETRIEVE and FOLLOW the DTCs from the ACM. |
| U046B:00 | Invalid Data Received From Global Positioning System Module: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the GPSM. |
| U0485:00 | Invalid Data Received From Radio: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the ACM. |
| U049A:68 | Invalid Data Received from "Door Control Module A": Event Information | RETRIEVE and FOLLOW the DTCs from the DDM. |
| U0554:00 | Invalid Data Received from Accessory Protocol Interface Module: No Sub Type Information | RETRIEVE and FOLLOW the DTCs from the APIM. |
| U0557:68 | Invalid Data Received From Front Controls Interface Module "A": Event Information | RETRIEVE and FOLLOW the DTCs from the FCIM. |
| U2023 | Fault Received From External Node | The module had an invalid network input/message from another module. RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U3000:88 | Control Module: Bus Off | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |