DTC P246C:00 [SKYACTIV-D 1.5]


id0102q2675300

DTC P246C:00

Engine oil dilution, oil pressure decreased

DETECTION CONDITION
•  The amount of engine oil dilution exceeds the specified value (fluctuates by ambient temperature).
Diagnostic support note
•  This is an intermittent 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
•  Engine oil attenuation by frequently diesel particulate filter regeneration
•  Engine oil data reset procedure does not perform in each engine oil replacements.
•  PCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
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 snapshot data on the repair order.
Go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
REPLACE ENGINE OIL
•  Replace the specified engine oil.
Perform the “ENGINE OIL DATA RESET”, then go to the next step.
4
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine and warm it up completely.
Caution
•  While performing this step, always operate the vehicle in a safe and lawful manner.
•  When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
•  Drive the vehicle under the FREEZE FRAME DATA/snapshot data condition.
•  Perform the DTC Reading Procedure.
•  Is the same DTC present?
Yes
Replace the PCM, then 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.