DTC U030F:00 [PCM (SKYACTIV-D 2.2)]


id0102j5901800

DTC U030F:00

Software incompatibility with dosing control unit

DETECTION CONDITION
•  Difference in values of inducement (laws and regulations requirement) received from the Dosing Control Unit for remaining distance to empty using the 2 CAN signal IDs sent to the PCM is more than 2 km {2 miles} for a continuous 15 s.
Diagnostic support note
•  This is an intermittent 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
•  Not applicable
POSSIBLE CAUSE
•  CAN communication line malfunction between PCM and dosing control unit
•  PCM malfunction
•  Dosing control unit malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
PURPOSE: RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION
Note
•  Recording can be facilitated using the screen capture function of the PC.
•  Record the FREEZE FRAME DATA/snapshot data on the repair order.
Go to the troubleshooting procedure to perform the procedure from Step 1.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Bulletins and/or on-line repair information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY CAN COMMUNICATION LINE
•  Is there any malfunction?
Yes
Repair or replace the malfunctioning part according to the inspection results, then go to the next step.
No
If the malfunction recurs, replace the dosing control unit, then go to the next step.
4
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC from the PCM memory using the M-MDS.
•  Perform the KOEO or KOER self test.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the control valve body.
Go to the next step.
No
Go to the next step.
5
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.