DTC P2459 [MZR-CD (RF Turbo)]

id0102f1841800

DTC P2459 | Diesel particulate filter regeneration frequency
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DETECTION CONDITION | • The PCM calculates mileage to the next oil replacement based on the vehicle driving conditions (engine load, frequency of the diesel particulate filter regeneration). If the calculated mileage reached necessary mileage of the oil replacement, the PCM stores DTC and turns the diesel particulate filter indicator light flash. Diagnostic support note • The FREEZE FRAME DATA is not available. • The DTC is stored in the PCM memory.
POSSIBLE CAUSE | • Vehicle is reached necessary mileage of engine oil replacement • Engine oil attenuation by frequently diesel particulate filter regeneration • Engine oil initialize procedure does not perform in each engine oil replacements

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has FREEZE FRAME DATA been recorded? | Yes | Go to the next step.
No | Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 | VERIFY RELATED SERVICE INFORMATION • Verify related Service Information availability. • Is any related Service Information available? | Yes | Perform repair or diagnosis according to available Service Information. • If vehicle is not repaired, go to the next step.
No | Go to the next step.
3 | REPLACE ENGINE OIL • Replace the specified engine oil. (See ENGINE OIL REPLACEMENT [MZR-CD (RF Turbo)].) | — | Go to the next step.
4 | VERIFY TROUBLESHOOTING OF DTC P2459 COMPLETED • Make sure to reconnect all disconnected connectors. • Turn the engine switch ON (engine off). • Clear the DTC from PCM memory using the M-MDS. • Start the engine. • Is the same DTC present? | Yes | Replace the PCM, go to the next step. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
No | Go to the next step.
5 | VERIFY AFTER REPAIR PROCEDURE • Perform “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [MZR-CD (RF Turbo)].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [MZR-CD (RF Turbo)])
No | Troubleshooting completed.