OBD Guide

P1472

Particulate Matter Sensor Signal Message Counter Incorrect

P1472 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Signal Message Counter Incorrect. Common causes: particulate filter sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Activation of emergency operation
  • Problems with diesel particulate filter regeneration

Causes

  • Particulate filter sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check sensor resistance
  4. Scan the control unit for other errors
  5. Replace the diesel particulate filter sensor if necessary

Related codes

Error P1472 by Vehicle Brand

FAQ

What does the P1472 code mean?

P1472 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Signal Message Counter Incorrect

What causes a P1472 error code?

The most common causes of P1472 include: Particulate filter sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P1472 diagnostic trouble code?

To fix P1472: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1472?

Yes, but get it checked soon

How much does it cost to fix P1472?

The estimated repair cost for P1472 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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