Can Communication-Related DTC Code (U Code) Table
CAN COMMUNICATION-RELATED DTC CHART
| CODE NO. |
DIAGNOSTIC ITEM |
OUTPUT ECU |
ACTION |
| U1073 |
Bus Off |
ECM <M/T> or PCM <A/T>, SRS-ECU, TCL/ASC-ECU, Steering wheel sensor, Convertible top control module, Combination meter, ETACS-ECU, A/C-ECU |
CAN main bus line diagnostics |
| U1100 |
ECM <M/T> or PCM <A/T> time-out (related to engine) |
TCL/ASC-ECU, Combination meter, ETACS-ECU, A/C-ECU |
| U1101 |
ECM <M/T> or PCM <A/T> time-out (related to automatic transaxle) |
TCL/ASC-ECU, Combination meter, ETACS-ECU |
| U1104 |
Steering wheel sensor time-out |
TCL/ASC-ECU |
| U1108 |
Combination meter time-out |
ECM <M/T> or PCM <A/T>, ETACS-ECU |
| U1109 |
ETACS-ECU time-out |
ECM <M/T> or PCM <A/T>, Combination meter |
| U1110 |
A/C-ECU time-out |
ECM <M/T> or PCM <A/T>, ETACS-ECU |
| U1111 |
Multi-center display unit (middle-grade type) time-out |
ETACS-ECU, A/C-ECU |
| U1112 |
SRS-ECU time-out |
Combination meter |
| U1114 |
TPMS receiver time-out |
| U1117 |
Immobirizer-ECU time-out |
ECM <M/T> or PCM <A/T> |
| U1120 |
Failure information on ECM <M/T> or PCM <A/T> (related to engine) |
TCL/ASC-ECU, Combination meter, A/C-ECU |
Diagnose CAN main bus lines and confirm input signals. |
| U1128 |
Failure information on combination meter |
ETACS-ECU |
| U1206 |
Flag invalid |
Combination meter |
| U1434 |
Failure information on TPMS receiver |