DTC U0001-88; U0100-00; U0101-00; U0121-00; U0131-00; U0140-00; U0151-00; U0155-00; U0214-00; U0235-68; U023A-00; Module Communication Errors: Notes

DTC U0001-88; U0100-00; U0101-00; U0121-00; U0131-00; U0140-00; U0151-00; U0155-00; U0214-00; U0235-68; U023A-00; MODULE COMMUNICATION ERRORS - DETECTION CONDITION & POSSIBLE CAUSE

System malfunction location	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 BCM U0151:00: Communication error with SAS control module U0155:00: Communication error with Instrument cluster U0214:00: Communication error with start stop unit U0235:68: Communication error with laser sensor U023A:00: Communication error with forward sensing camera (FSC)
Detection condition	U0001:88: Radar unit detects a CAN bus communication line (HS-CAN) malfunction. U0100:00: Radar unit cannot receive the CAN signal from the PCM. U0101:00: Radar unit cannot receive the CAN signal from the TCM. U0121:00: Radar unit cannot receive the CAN signal from the DSC HU/CM. U0131:00: Radar unit cannot receive the CAN signal from the EPS control module. U0140:00: Radar unit cannot receive the CAN signal from the BCM. U0151:00: Radar unit cannot receive the CAN signal from the SAS control module. U0155:00: Radar unit cannot receive the CAN signal from the Instrument cluster. U0214:00: Radar unit cannot receive the CAN signal from the start stop unit. U0235:68: Radar unit cannot receive the CAN signal from the laser sensor. U023A:00: Radar unit cannot receive the CAN signal from the forward sensing camera (FSC).
Fail-safe	U0001:88 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0100:00 Inhibits the Mazda radar cruise control (MRCC) system control U0101:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0121:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0131:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0140:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0151:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0155:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0214:00 Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U0235:68 Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control U023A:00 Inhibits the forward obstruction warning (SBS) system control Inhibits the distance recognition support system (DRSS) control
Possible cause	Malfunction in CAN bus communication line Malfunction in CAN line between PCM and radar unit Malfunction in CAN line between TCM and radar unit Malfunction in CAN line between DSC HU/CM and radar unit Malfunction in CAN line between EPS control module and radar unit Malfunction in CAN line between BCM and radar unit Malfunction in CAN line between SAS control module and radar unit Malfunction in CAN line between instrument cluster and radar unit Malfunction in CAN line between start stop unit and radar unit Malfunction in CAN line between laser sensor and radar unit Malfunction in CAN line between forward sensing camera (FSC) and radar unit
System wiring diagram	Not applicable