DTC U0001:88/U0100:00/U0101:00/U0121:00/U0131:00/U0140:00/U0151:00/U0155:00/U0214:00/U0235:68/U023A:00 [RADAR UNIT]

id1502a6100200

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 electric power steering (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
•  U0214:00
?  Communication error with start stop unit
•  U0235:68 (Radar unit type A (VIN serial No. 100001-))
?  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 electric power steering (EPS) control module.
•  U0140:00
?  Radar unit cannot receive the CAN signal from the front body control module (FBCM).
•  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 type A (VIN serial No. 100001-))
?  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 (Radar unit type B (VIN serial No. 200001-))
•  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
•  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 (Radar unit type A (VIN serial No. 100001-))
?  Inhibits the forward obstruction warning (SBS) system control
•  U023A:00
?  Inhibits the forward obstruction warning (SBS) system 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 electric power steering (EPS) control module and radar unit
•  Malfunction in CAN line between front body control module (FBCM) 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

Diagnostic Procedure

•  Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See FOREWORD [L.H.D.].) (See FOREWORD [R.H.D.].)