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Engine-Codes – Generic – P1472

P1472 Code - Particulate Matter Sensor Signal Message Counter Incorrect

Quick Answer

The P1472 diagnostic trouble code (DTC) indicates that there is an issue with the Particulate Matter Sensor Signal Message Counter being incorrect. Common causes include Faulty Particulate Matter Sensor, Wiring issues or short circuits in the sensor circuit, Faulty ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1472 indicates Particulate Matter Sensor Signal Message Counter Incorrect.
Common causes
Common causes include Faulty Particulate Matter Sensor, Wiring issues or short circuits in the sensor circuit, Faulty ECM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1472 Description

The P1472 diagnostic trouble code (DTC) indicates that there is an issue with the Particulate Matter Sensor Signal Message Counter being incorrect. This sensor is responsible for monitoring the level of particulate matter in the exhaust system, which is crucial for emissions control and the overall performance of the vehicle. When the sensor detects a certain amount of particulate matter, it sends a signal to the engine control module (ECM) to adjust fuel injection and other parameters to reduce emissions.

OBDII Code P1472 - Particulate Matter Sensor Signal Message Counter Incorrect
P1472 Code - Particulate Matter Sensor Signal Message Counter Incorrect

Common Causes of P1472

  1. Faulty Particulate Matter Sensor
  2. Wiring issues or short circuits in the sensor circuit
  3. Faulty ECM
  4. Corrosion or damage to sensor connectors
  5. Exhaust system leaks or damage

Symptoms of P1472

  1. Decreased fuel efficiency
  2. Rough idling
  3. Reduced engine power
  4. Stalling
  5. Check Engine Light illuminated

How to Fix P1472

  1. Begin by conducting a thorough inspection of the Particulate Matter Sensor and its wiring to check for any visible damage or corrosion.
  2. Test the sensor using a multimeter to ensure it is functioning properly.
  3. Check the ECM for any fault codes related to the sensor and perform any necessary reprogramming or resetting procedures.
  4. Repair or replace any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1472

The typical repair costs for addressing a P1472 code can vary depending on the exact cause of the issue and the make and model of the vehicle. In general, parts for a particulate matter sensor replacement can range from $100 to $300, while labor costs can range from $100 to $200. Overall, the total cost of repairs for this issue can be expected to be between $200 and $500. However, it is advisable to check with local auto repair shops for more accurate estimates based on specific factors such as location, vehicle type, and labor rates.

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Code P1472 Information for Specific Makes

  • P1472 Audi — EVAP Control System LDP Circuit Short To Ground
  • P1472 BMW — Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical
  • P1472 Buick — Particulate Matter Sensor Signal Message Counter Incorrect
  • P1472 Cadillac — Particulate Matter Sensor Signal Message Counter Incorrect
  • P1472 Chevrolet — Particulate Matter Sensor Signal Message Counter Incorrect
  • P1472 GMC — Particulate Matter Sensor Signal Message Counter Incorrect
  • P1472 Land Rover — Variable Intake Balance Valve Always Close
  • P1472 MINI — Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical
  • P1472 Volkswagen — EVAP Control System LDP Circuit Short To Ground
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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