DTC U0001:88, U0100:00, U0101:00, U0121:00, U0131:00, U0140:00, U0151:00, U0155:00, U0214:00, U0235:68, U023A:00 [VEHICLE CONTROL MODULE (V/C-MODULE)]

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

• Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See FOREWORD [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5, SKYACTIV-D 2.2 (MTX)].) (See FOREWORD [SKYACTIV-D 2.2 (ATX), MZR 1.6].)