Code Definition

P1498 — Excessive PM Accumulated In DPF

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Mitsubishi

About P1498

P1498 is a manufacturer-specific powertrain diagnostic trouble code recorded for Mitsubishi vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1498 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The engine-ECU monitors the input signals from sensors to estimate the PM amount loaded to the DPF inside.
If the PM is loaded more than the specified amount, the DPF regeneration is automatically executed under certain conditions in order to eliminate the PM.
If the PM is excessively loaded, the engine-ECU does not execute the automatic DPF regeneration. It makes the engine warning lamp illuminate and allow the DPF warning mark to be shown. When this code is logged the following conditions are triggered.
The EGR control is stopped (fully closed).
The cruise control is prohibited.
The fue...

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