DTC U0073:00, U0101:00, U0104:00, U010E:00, U0121:00, U0131:00, U0140:00, U0151:00, U0155:00, U0214:00, U023A:00, U029D:00 [PCM (SKYACTIV-D 2.2)]

id0102j5919900

DTC U0073:00

CAN system communication error (HS CAN)
DETECTION CONDITION
•  With the following conditions met, a CAN bus communication line error is continued for 1 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
Diagnostic support note
•  This is a continuous monitor (other).
•  The check engine light does not illuminate.
•  FREEZE FRAME DATA is available.
•  Snapshot data is not 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
•  With the following conditions met, a communication error between the PCM and TCM is continued for 5 s or more.
MONITORING CONDITIONS
•  1.5 s have elapsed with all of the following conditions met:
―  Battery voltage: above 10 V
―   Ignition was switch is ON (engine off or on)
Diagnostic support note
•  This is a continuous monitor (CCM).
•  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 engine-stop by operating the i-stop function.
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 connector or terminals malfunction
•  TCM malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0104:00

CAN communication: communication error to radar unit
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and radar unit is continued for 5 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
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 radar unit
•  Radar unit connector or terminals malfunction
•  Radar unit malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U010E:00

CAN communication: communication error to dosing control unit
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and dosing control unit is continued for 5 s or more.
MONITORING CONDITIONS
•  1.5 s have elapsed with all of the following conditions met:
―  Battery voltage: above 10 V
―   Ignition was switch is ON (engine off or on)
Diagnostic support note
•  This is a continuous monitor (CCM).
•  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.
Note
•  When this DTC is detected, inducement DTC P2BAF:00 is also detected.
•  This DTC is established to record that the inducement warning has been activated with the remaining distance to empty at 402 km {250 miles} or less due to an inducement malfunction.
FAIL-SAFE FUNCTION
•  Restricts the maximum remaining distance to empty.
•  Limits the upper limit of the engine speed.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and dosing control unit
•  Dosing control unit connector or terminals malfunction
•  Dosing control unit malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0121:00

CAN communication: communication error to DSC HU/CM
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and DSC HU/CM is continued for 5 s or more.
MONITORING CONDITIONS
•  1.5 s have elapsed with all of the following conditions met:
―  Battery voltage: above 10 V
―   Ignition was switch is ON (engine off or on)
Diagnostic support note
•  This is a continuous monitor (CCM).
•  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
•  Limits engine torque.
•  Inhibits the EGR control.
•  Inhibits engine-stop by operating the i-stop function.
•  Inhibits the automatic diesel particulate filter regeneration control.
•  Inhibits the manual diesel particulate filter regeneration control.
•  Inhibits the G-Vectoromg control(GVC).
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and DSC HU/CM
•  DSC HU/CM connector or terminals malfunction
•  DSC HU/CM malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0131:00

CAN communication: communication error to EPS control module
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and EPS control module is continued for 5 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
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
•  Inhibits engine-stop by operating the i-stop function.
•  Inhibits the G-Vectoromg control(GVC).
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and EPS control module
•  EPS control module connector or terminals malfunction
•  EPS control module malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0140:00

CAN communication: communication error to front body control module (FBCM)
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and front body control module (FBCM) is continued for 5 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
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
•  Inhibits engine-stop by operating the i-stop function.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and front body control module (FBCM)
•  Front body control module (FBCM) connector or terminals malfunction
•  Front body control module (FBCM) malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0151:00

CAN communication: communication error to SAS control module
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and SAS control module is continued for 5 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
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
•  Inhibits engine-stop by operating the i-stop function.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and SAS control module
•  SAS control module connector or terminals malfunction
•  SAS control module malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0155:00

CAN communication: communication error to instrument cluster
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and instrument cluster is continued for 5 s or more.
MONITORING CONDITIONS
•  1.5 s have elapsed with all of the following conditions met:
―  Battery voltage: above 10 V
―   Ignition was switch is ON (engine off or on)
Diagnostic support note
•  This is a continuous monitor (CCM).
•  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 engine-stop by operating the i-stop function.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and instrument cluster
•  Instrument cluster connector or terminals malfunction
•  Instrument cluster malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U0214:00

CAN communication: communication error to start stop unit
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and start stop unit is continued for 5 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
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
•  Inhibits engine-stop by operating the i-stop function.
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and start stop unit
•  Start stop unit connector or terminals malfunction
•  Start stop unit malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U023A:00

CAN communication: communication error to forward sensing camera (FSC)
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and forward sensing camera (FSC) is continued for 5 s or more.
MONITORING CONDITIONS
•  Battery voltage: 10 V or more
•  1.5 s have elapsed after the ignition was switched ON (engine off or on)
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 forward sensing camera (FSC)
•  Forward sensing camera (FSC) connector or terminals malfunction
•  Forward sensing camera (FSC) malfunction
•  PCM connector or terminals malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
•  Not applicable

DTC U029D:00

CAN communication: communication error to NOx sensor No.1
DETECTION CONDITION
•  With the following conditions met, a communication error between the PCM and NOx Sensor No.1 is continued for 5 s or more.
MONITORING CONDITIONS
•  The following conditions continue for 1.5 s
―  Battery voltage: 10 V or more
―  Ignition was switched ON (engine off or on)
Diagnostic support note
•  This is a continuous monitor (CCM).
•  The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
•  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 NOx sensor No.1
•  NOx sensor No.1 malfunction
•  NOx sensor No.1 connector or terminals malfunction
•  Dosing control unit connector or terminals malfunction
•  Dosing control unit malfunction
•  PCM connector or terminals malfunction
•  PCM 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 2.0/2.5, SKYACTIV-D 2.2 (MTX) (L.H.D.)].) (See FOREWORD [SKYACTIV-G 2.0/2.5, SKYACTIV-D 2.2 (MTX) (R.H.D.)].) (See FOREWORD [SKYACTIV-G 2.5T, SKYACTIV-D 2.2 (ATX) (L.H.D.)].) (See FOREWORD [SKYACTIV-G 2.5T, SKYACTIV-D 2.2 (ATX) (R.H.D.)].)