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 forward obstruction warning (FOW) system 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 (FOW) system control

U0121:00

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system control

U0131:00

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system control

U0140:00

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system control

U0151:00

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system control

U0155:00

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system control

U0214:00

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system 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