18-054-15

Mil Illumination: P2453,P2454,P2455 or P2463 Active or Stored This bulletin involves determining if the Differential Pressure Sensor and its Connector require repair. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P2453 - Diesel Particulate Filter Differential Pressure Sensor Circuit Performance ? P2454 - Diesel Particulate Filter Differential Pressure Sensor Circuit Low ? P2455 - Diesel Particulate Filter Differential Pressure Sensor Circuit High ? P2463 - Diesel Particulate Filter - Soot Accumulation