P2463 - P2463 - DIESEL PARTICULATE FILTER RESTRICTION - SOOT ACCUMULATION

POST UPDATED IN April, 2021

Description of DTC code P2463 Generic

The Diesel Particulate Filter (DPF) is designed to filter and contain as much of the carbon particles as possible until the regeneration process begins. It reduces the soot to carbon dioxide and water particles. Some manufacturers inject fuel into the DPF, which will facilitate a temperature rise to approximately 1200° F. This process will convert the soot into harmless ash that will be expelled through the exhaust.

When the Powertrain Control Module (PCM) detects excessive soot accumulation in the DPF, the DTC P2463 OBDII code will be stored, and the Malfunction Indicator Lamp (MIL) will turn on.

Symptoms of fault code P2463 Generic

  • The Check Engine light turns on.
  • Presence of black smoke in the exhaust pipe.
  • Problems producing and maintaining RPM levels.
  • High engine temperature level.

Causes of OBD2 P2463 Generic

The diagnostic code P2463 OBD2 is set for the following reasons:

  • There may be a short in one of the wires related to the DPF.
  • The DPF pressure sensor may be damaged.
  • Possibly, the Diesel Exhaust Fluid supplied is not correct.

Possible solutions of the DTC code P2463 Generic

To fix the P2463 OBDII fault code, take into account the following points:

  • Consult the Technical Service Bulletins (TSB) for useful information. Also, it is recommended to use a scanner to diagnose other stored codes.
  • Check that the wiring harness near the exhaust pipe is in good condition. These often have wear or burns due to exposure to high temperatures, so it may be necessary to replace the wires.
  • Check for proper Diesel Exhaust Fluid. If not, make repairs when leaks or blockages are found.
  • Use a DVOM to make voltages tests to the DPF Pressure Sensor, and compare the results with the data provided by the manufacturer. If the reading obtained differs from that specified, replace the sensor.

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