Can Communication-Related DTC Code (U Code) Table
DTC CODE REFERENCE
| CODE NO. | DIAGNOSTIC ITEM | OUTPUT ECU | ACTION |
|---|---|---|---|
| U1073 | Bus Off | ECM < M/T> or PCM < A/T>, SRS-ECU, ABS-ECU < vehicles without traction control system>, ABS/TCL-ECU < vehicles with traction control system>, 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) | ABS/TCL-ECU < vehicles with traction control system>, Combination meter, ETACS-ECU, A/C-ECU | |
| U1101 | ECM < M/T> or PCM < A/T> time-out (related to automatic transaxle) | ABS/TCL-ECU < vehicles with traction control system>, Combination meter, ETACS-ECU | |
| U1102 | ABS-ECU time-out | ECM < M/T> or PCM < A/T>, Combination meter | |
| 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) | ABS/TCL-ECU < vehicles with traction control system>, Combination meter, A/C-ECU | Diagnose CAN main bus lines and confirm input signals. |
| U1128 | Failure information on combination meter | ETACS-ECU | |
| U1434* | Failure information on TPMS receiver | Combination meter |
NOTE:
*This diagnostic trouble code will be set even if the system is normal.