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Can CMMUNICATION-Related DTC Code (U Code) Table

CAN CMMUNICATION-RELATED DTC CODE (U CODE) TABLE

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(1) Multi-center display unit (middle-grade type) time-out ETACS-ECU, A/C-ECU
U1112 SRS-ECU time-out Combination meter
U1114(1) TPMS-ECU 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(1) Failure information on TPMS-ECU Combination meter
(1) This diagnostic trouble code will be set even if the system is normal.