P2464 – Diesel Particulate Filter Differential Pressure Too Low, Row 2

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P2464 – Diagnosis and Solutions 🚗


🛠 Possible Causes

  • 🚨 Faulty Diesel Particulate Filter Differential Pressure Sensor
  • 🔌 Sensor Wiring Harness is Open or Short-Circuited
  • ⚠️ Poor Electrical Connection in the Sensor Circuit

🔧 How to Fix Code P2464

  1. 🔍 Check the causes listed above.
  2. 📎 Visually inspect the wiring harness and connectors.
  3. ⚡ Look for damaged components: broken, bent, corroded, or poorly connected pins.

⚠️ Possible Symptoms

  • 📛 Check Engine Light On (or “Service Engine Soon” message).

📖 Meaning of Code P2464

The Powertrain Control Module (PCM) detects an anomaly in the diesel particulate filter differential pressure sensor. This code is triggered when the sensor values fall outside the manufacturer’s specifications.


✅ Tip: Start by inspecting the electrical circuit before replacing the sensor!

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