View source for 18885/P2453/009299

== 18885/P2453/009299 - Diesel Particle Filter Differential Pressure Sensor: Implausible Signal ==

==== Possible Symptoms ====

* Malfunction Indicator Light (MIL) ON

==== Possible Causes ====

* Fuse(s) faulty
* Wiring and/or Connector(s) from/to Exhaust Pressure Sensor 1 (G450) faulty
* Tubing from/to Exhaust Pressure Sensor 1 (G450) restricted/clogged
* Exhaust Pressure Sensor 1 (G450) faulty

==== Possible Solutions ====

* Check Fuse(s)
* Check Wiring and/or Connector(s) from/to Exhaust Pressure Sensor 1 (G450)
* Check Tubing from/to Exhaust Pressure Sensor 1 (G450)
* Check/Replace Exhaust Pressure Sensor 1 (G450)
** Check Part Number/Version of Exhaust Pressure Sensor 1 (G450)
** Check Measuring Values
*** Check Diesel Particle Filter Ash Volume
*** Check Exhaust Pressure Sensor 1 (G450) Offset Value

==== Special Notes ====

* With CBEA and CJAA engines, the factory documentation may show the wrong part location for the Exhaust Pressure Sensor 1 (G450).  This sensor is in a foil pouch just behind the oil cap.

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[[Category:Fault Codes]]