READ VALUE USING INTELLIGENT TESTER (DPF DIFFERENTIAL PRESSURE)
CHECK CONNECTION OF EXHAUST PIPE AIR HOSE (DIFFERENTIAL PRESSURE SENSOR - EXHAUST PIPE AIR HOSE)
CHECK BLOCKAGE OF EXHAUST PIPE AIR HOSE AND TRANSMITTING PIPE
CHECK HARNESS AND CONNECTOR (DIFFERENTIAL PRESSURE SENSOR - ECM)
REPLACE DIFFERENTIAL PRESSURE SENSOR
CHECK WHETHER DTC OUTPUT RECURS (DTC P2454 OR P2455)
REPAIR OR REPLACE HARNESS OR CONNECTOR