194002935 - Y095 P2455 - DIFFERENTIAL PRESSURE SENSOR

The diagnostic equipment signals: Error P2455 (differential pressure sensor pipe).
This error is detected if the electronic control unit detects a malfunction using the differential pressure sensor internal evaluation logic.
0Preliminary checksALL OKPROBLEMS ENCOUNTEREDACTION
Select the following system on the diagnostic equipment: Diesel EDC16C39 electronic injection system. Delete the errors memorized.Carry out the regeneration of the particle filter    Op. 0520G12 PARTICULATE FILTER (D.P.F.) - REGENERATION EXAMINERchecking that the outcome is positiveMove on to Step 1The regeneration failsContinue as described by the diagnostic equipment
1Exhaust system checkALL OKPROBLEMS ENCOUNTEREDACTION
Check that the seal of the exhaust system is correct, with particular reference to:

  • Catalytic converter
  • Particle filter
  • Temperature sensors
  • Differential pressure sensor
Move on to Step 2There are leaks or the seal is not perfectRestore the correct seal. Replace the faulty components, if necessary
2Check on the operation of the differential pressure sensorALL OKPROBLEMS ENCOUNTEREDACTION
Check correct operation of the differential pressure sensor    See Test 1080BF CHECK ON OPERATION OF DIFFERENTIAL PRESSURE SENSOREnd of diagnosis