DTC P253F:00 [MZR-CD 2.2]


id0102f3154400

DTC P253F:00

Engine oil deteriorated

DETECTION CONDITION
•  The PCM calculates the engine oil attenuation based on the fuel injection amount during diesel particulate filter regeneration. If the calculated engine oil attenuation amount reaches the necessary traveled distance for engine oil replacement, the PCM determines that the engine oil amount level is deteriorated.
Diagnostic support note
•  The MIL does not illuminate.
•  FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
•  The DTC is not stored in the PCM memory.
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

Diagnostic procedure

STEP

INSPECTION

ACTION

1
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.
2
REPLACE ENGINE OIL
•  Replace the specified engine oil.
Go to the next step.
3
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine.
•  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.
4
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.