DTC U0001:00/U0100:00/U0121:00/U0131:00/U0155:00 [LASER SENSOR]

id0402c4894900

DTC
U0001:00
CAN line
U0100:00
U0121:00
U0131:00
U0155:00
DETECTION CONDITION
•  U0001:00
―  Open or short circuit in CAN system wiring harness is detected
•  U0100:00
―  Communication error to PCM is detected in CAN communication
•  U0121:00
―  Communication error to DSC HU/CM is detected in CAN communication
•  U0131:00
―  Communication error to EPS control module is detected in CAN communication
•  U0155:00
―  Communication error to instrument cluster is detected in CAN communication
FAIL-SAFE FUNCTION
•  Smart City Brake Support (SCBS) warning light (amber) Illuminates
•  Smart City Brake Support (SCBS) control disabled
POSSIBLE CAUSE
•  CAN communication line malfunction
•  CAN communication line malfunction with PCM
•  CAN communication line malfunction with DSC HU/CM
•  CAN communication line malfunction with EPS control module
•  CAN communication line malfunction with instrument cluster
•  Instrument cluster malfunction
SYSTEM WIRING DIAGRAM
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Diagnostic Procedure

•  Perform inspection according to the diagnostic procedure in MULTIPLEX COMMUNICATION SYSTEM. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-G 1.3, SKYACTIV-G 1.5 (R.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-G 1.5 (L.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 1.5].)