OBD Guide

P1488

Particulate Matter Sensor Protection Tube Performance

P1488 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Protection Tube Performance. Common causes: sensor protection tube clogged, mechanical damage to the tube. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Unstable engine idling

Causes

  • Sensor protection tube clogged
  • Mechanical damage to the tube
  • Particulate filter sensor malfunction
  • Problems with the sensor electrical circuit
  • Contact contamination or corrosion

How to Fix

  1. Check the condition of the sensor protective tube
  2. Clean or replace the protective tube
  3. Check the functionality of the diesel particulate filter sensor
  4. Check the integrity of the sensor electrical circuit
  5. Clean sensor contacts and connectors

Related codes

Error P1488 by Vehicle Brand

FAQ

What does the P1488 code mean?

P1488 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Protection Tube Performance

What causes a P1488 error code?

The most common causes of P1488 include: Sensor protection tube clogged; Mechanical damage to the tube; Particulate filter sensor malfunction; Problems with the sensor electrical circuit.

How do I fix a P1488 diagnostic trouble code?

To fix P1488: Check the condition of the sensor protective tube. Clean or replace the protective tube. Check the functionality of the diesel particulate filter sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1488?

Yes, but get it checked soon

How much does it cost to fix P1488?

The estimated repair cost for P1488 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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