DTC    P2453    Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance

DESCRIPTION

INSPECTION PROCEDURE

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2453)

CHECK CONNECTION OF EXHAUST PIPE AIR HOSE (DIFFERENTIAL PRESSURE SENSOR - TRANSMITTING PIPE)

CHECK BLOCKAGE OF EXHAUST PIPE AIR HOSE AND TRANSMITTING PIPE

INSPECT DIFFERENTIAL PRESSURE SENSOR ASSEMBLY

PERFORM DIFFERENTIAL PRESSURE SENSOR LEARNING

CORRECT TO NORMAL CONNECTION

REPLACE CLOGGED PARTS

REPLACE DIFFERENTIAL PRESSURE SENSOR ASSEMBLY

INSPECT DIFFERENTIAL PRESSURE SENSOR ASSEMBLY

REPLACE ECM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED