DTC U0073:00, U0101:00, U0121:00, U0131:00, U0140:00, U0151:00, U0155:00, U0214:00, U0235:00 [SKYACTIV-G 1.3, SKYACTIV-G 1.5]
id0102q1910800
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DTC U0073:00 |
CAN system communication error (HS CAN) |
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DETECTION CONDITION
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• 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.
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FAIL-SAFE FUNCTION
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Not applicable
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POSSIBLE CAUSE
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• CAN bus communication line malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0101:00 |
CAN communication: communication error to TCM |
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DETECTION CONDITION
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• 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.
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FAIL-SAFE FUNCTION
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• Controls the turbine rotation signal at 0.
• Inhibits the AT torque reduction request.
• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and TCM
• TCM malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0121:00 |
CAN communication: communication error to ABS HU/CM or DSC HU/CM |
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DETECTION CONDITION
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• Communication error between the PCM and DSC HU/CM continues for 5 s or more. (with DSC)
• Communication error between the PCM and ABS HU/CM continues for 5 s or more. (without DSC)
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.
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FAIL-SAFE FUNCTION
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• Inhibits the DSC control. (with DSC)
• Inhibits the ABS control. (without DSC)
• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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Vehicles with DSC
• CAN communication line malfunction between PCM and DSC HU/CM
• DSC HU/CM malfunction
• PCM malfunction
Vehicles without DSC
• CAN communication line malfunction between PCM and ABS HU/CM
• ABS HU/CM malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0131:00 |
CAN communication: communication error to EPS control module |
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DETECTION CONDITION
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• 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.
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FAIL-SAFE FUNCTION
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• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and EPS control module
• EPS control module malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0140:00 |
CAN communication: communication error to BCM |
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DETECTION CONDITION
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• 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.
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FAIL-SAFE FUNCTION
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• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and BCM
• BCM malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0151:00 |
CAN communication: communication error to SAS control module |
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DETECTION CONDITION
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• 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.
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FAIL-SAFE FUNCTION
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• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and SAS control module
• SAS control module malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0155:00 |
CAN communication: communication error to instrument cluster |
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DETECTION CONDITION
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• 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 does not illuminate.
• FREEZE FRAME DATA is not available.
• Snapshot data is available.
• DTC is stored in the PCM memory.
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FAIL-SAFE FUNCTION
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• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and instrument cluster
• Instrument cluster malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0214:00 |
CAN communication: communication error to start stop unit |
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DETECTION CONDITION
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• 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.
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FAIL-SAFE FUNCTION
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• Inhibits the i-stop control and flashes the i-stop warning light (amber) (engine stalls while engine is stopped by i-stop control). (With i-stop)
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and start stop unit
• Start stop unit malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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DTC U0235:00 |
CAN communication: communication error to laser sensor |
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DETECTION CONDITION
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• Communication error between the PCM and laser sensor 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.
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FAIL-SAFE FUNCTION
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• The smart city brake support function is cancelled.
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POSSIBLE CAUSE
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• CAN communication line malfunction between PCM and laser sensor
• Laser sensor malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic Procedure