DPF Differential Pressure Sensor Initialization

Do the diesel particulate filter (DPF) differential pressure sensor initialization procedure whenever you find any of these symptoms or whenever you do any of these actions.
  • When the ECM is replaced.
  • When the DPF differential pressure sensor is replaced or it was loose before.
  • When the DPF differential pressure sensor tube is replaced or it was loose before.
  1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of dashboard.
  1. Turn the ignition switch ON (II).
  1. Check for Temporary DTCs or DTCs with the HDS. If there are any Temporary DTCs or DTCs indicated, go to the indicated DTC's troubleshooting. If there are no DTCs indicated, go to Step 4 .
  1. Select DPF DIFFERENTIAL PRESSURE SENSOR LEARN in the ADJUSTMENT MENU with the HDS.