DTC U0073:00, U0100:00, U0121:00, U0131:00, U0155:00, U0214:00 [FW6A-EL]


id050225905900

Applied VIN:
BM****** 1*****

DTC U0073:00

CAN system communication error (HS CAN)

DETECTION CONDITION
•  Under the following condition, a communication error (HS CAN) occurs:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  CAN bus communication line malfunction (HS CAN)
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0100:00

Communication error to PCM (HS CAN)

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from PCM (HS CAN):
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and TCM (HS CAN)
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0121:00

Communication error to DSC HU/CM

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from DSC HU/CM:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and DSC HU/CM
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0131:00

Communication error to EPS control module

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from EPS control module:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and EPS control module
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0155:00

Communication error to instrument cluster

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from instrument cluster:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits manual mode.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and instrument cluster
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable


Diagnostic Procedure

•  Inspect according to the diagnostic procedure in ON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM]. (See FOREWORD [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5, SKYACTIV-D 2.2 (MTX)].)
Applied VIN:
BM****** 300001-

DTC U0073:00

CAN system communication error (HS CAN)

DETECTION CONDITION
•  Under the following condition, a communication error (HS CAN) occurs:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  CAN bus communication line malfunction (HS CAN)
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0100:00

Communication error to PCM (HS CAN)

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from PCM (HS CAN):
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and TCM (HS CAN)
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0121:00

Communication error to DSC HU/CM

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from DSC HU/CM:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and DSC HU/CM
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0131:00

Communication error to EPS control module

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from EPS control module:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and EPS control module
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0155:00

Communication error to instrument cluster

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from instrument cluster:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits manual mode.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and instrument cluster
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

DTC U0214:00

Communication error to start stop unit

DETECTION CONDITION
•  Under the following condition, the TCM cannot receive the signal from start stop unit:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Inhibits direct mode.
POSSIBLE CAUSE
•  CAN communication line malfunction between TCM and start stop unit
•  TCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable


Diagnostic Procedure

•  Inspect according to the diagnostic procedure in ON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM]. (See FOREWORD [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5, SKYACTIV-D 2.2 (MTX)].)