DTC U0001 88/U0100 00/U0101 00/U0121 00/U0131 00/U0140 00/U0151 00/U0155 00/U0182 00/U0214 00/U0235 00/U023A 00: Module Communication Error (Various): Notes

DTC U0001:88/U0100:00 DETECTION CONDITIONS AND POSSIBLE CAUSE

Description	U0001:88 Module communication error (HS-CAN) U0100:00 Communication error with PCM U0101:00 Communication error with TCM U0121:00 Communication error with DSC HU/CM U0131:00 Communication error with EPS control module U0140:00 Communication error with front body control module (FBCM) U0151:00 Communication error with SAS control module U0155:00 Communication error with Instrument cluster U0182:00 Communication error with AFS control module U0214:00 Communication error with start stop unit U0235:00 Communication error with laser sensor U023A:00 Communication error with forward sensing camera (FSC)
Detection condition	U0001:88 With the ignition switched ON (engine off or on), the connectivity master unit cannot detect a CAN bus communication line (HS-CAN) signal for 1 s or more . With the ignition switched ON (engine off or on), the connectivity master unit detects malfunction in the CAN bus communication line (HS-CAN) 10 times continuously. U0100:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the PCM for 5 s or more . U0101:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the TCM for 5 s or more . U0121:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the DSC HU/CM for 5 s or more . U0131:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the EPS control module for 5 s or more . U0140:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the front body control module (FBCM) for 5 s or more . U0151:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the SAS control module for 5 s or more . U0155:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the instrument cluster for 5 s or more . U0182:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the AFS control module for 5 s or more . U0214:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the start stop unit for 5 s or more . U0235:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the laser sensor for 5 s or more . U023A:00 With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a CAN signal from the forward sensing camera (FSC) for 5 s or more .
Fail-safe function	U0001:88 Not applicable U0100:00 Not applicable U0101:00 Not applicable U0121:00 Not applicable U0131:00 Not applicable U0140:00 Not applicable U0151:00 Not applicable U0155:00 Not applicable U0182:00 Not applicable U0214:00 Not applicable U0235:00 Not applicable U023A:00 Not applicable
Possible cause	Malfunction in CAN bus communication line Malfunction in CAN communication line between the PCM and connectivity master unit Malfunction in CAN communication line between the TCM and connectivity master unit Malfunction in CAN communication line between the DSC HU/CM and connectivity master unit Malfunction in CAN communication line between the EPS control module and connectivity master unit Malfunction in CAN communication line between the front body control module (FBCM) and connectivity master unit Malfunction in CAN communication line between the SAS control module and connectivity master unit Malfunction in CAN communication line between the instrument cluster and connectivity master unit Malfunction in CAN communication line between the AFS control module and connectivity master unit Malfunction in CAN communication line between the start stop unit and connectivity master unit Malfunction in CAN communication line between the laser sensor and connectivity master unit Malfunction in CAN communication line between the forward sensing camera (FSC) and connectivity master unit
System wiring diagram	Not applicable