DTC U0073:00

CAN system communication error (HS CAN)

DETECTION CONDITION

• Malfunction in CAN bus communication line.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light does not illuminate.

• FREEZE FRAME DATA is not available.

• Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

Not applicable

POSSIBLE CAUSE

• CAN bus communication line malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0101:00

CAN communication: communication error to TCM

DETECTION CONDITION

• Communication error between the PCM and TCM continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.

• FREEZE FRAME DATA/Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

• Controls the turbine rotation signal at 0.

• Inhibits the AT torque reduction request.

POSSIBLE CAUSE

NOTE:

• During malfunction diagnosis, first verify the malfunction detection of DTC U0074:00 or U0115:00 for the TCM.

• CAN communication line malfunction between PCM and TCM

• TCM malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0121:00

CAN communication: communication error to DSC HU/CM

DETECTION CONDITION

• Communication error between the PCM and DSC HU/CM continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.

• FREEZE FRAME DATA/Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

• Inhibits the DSC control.

POSSIBLE CAUSE

• CAN communication line malfunction between PCM and DSC HU/CM

• DSC HU/CM malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0131:00

CAN communication: communication error to EPS control module

DETECTION CONDITION

• Communication error between the PCM and EPS control module continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light does not illuminate.

• FREEZE FRAME DATA is not available.

• Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

Not applicable

POSSIBLE CAUSE

• CAN communication line malfunction between PCM and EPS control module

• EPS control module malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0140:00

CAN communication: communication error to BCM

DETECTION CONDITION

• Communication error between the PCM and BCM continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light does not illuminate.

• FREEZE FRAME DATA is not available.

• Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

Not applicable

POSSIBLE CAUSE

• CAN communication line malfunction between PCM and BCM

• BCM malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0151:00

CAN communication: communication error to SAS control module

DETECTION CONDITION

• Communication error between the PCM and SAS control module continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light does not illuminate.

• FREEZE FRAME DATA is not available.

• Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

Not applicable

POSSIBLE CAUSE

• CAN communication line malfunction between PCM and SAS control module

• SAS control module malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0155:00

CAN communication: communication error to instrument cluster

DETECTION CONDITION

• Communication error between the PCM and instrument cluster continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.

• FREEZE FRAME DATA/Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

Not applicable

POSSIBLE CAUSE

• CAN communication line malfunction between PCM and instrument cluster

• Instrument cluster malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

DTC U0214:00

CAN communication: communication error to start stop unit

DETECTION CONDITION

• Communication error between the PCM and start stop unit continues for 5 s or more.

Diagnostic support note

• This is a continuous monitor (other).

• The check engine light does not illuminate.

• FREEZE FRAME DATA is not available.

• Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

Not applicable

POSSIBLE CAUSE

• CAN communication line malfunction between PCM and start stop unit

• Start stop unit malfunction

• PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable