OBD Guide

P2453

Particulate Filter Pressure Sensor A Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Black smoke coming out of the exhaust pipe

Causes

  • DPF pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Damaged or oxidized connector pins
  • Mechanical damage to pressure tubes
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the sensor readings using a diagnostic scanner
  3. Inspect pressure tubes for damage or blockages
  4. Replace DPF pressure sensor if necessary
  5. Check and, if necessary, update the ECU software

Related codes

Error P2453 by Vehicle Brand