AutoCodes – GMC – P1472 GMC

P1472 GMC Code - Particulate Matter Sensor Signal Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Particulate Matter Sensor, Particulate Matter Sensor harness is open or shorted, Particulate Matter Sensor circuit poor electrical connection. 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 GMC indicates Particulate Matter Sensor Signal Message Counter Incorrect.
Common causes
Common causes include Faulty Particulate Matter Sensor, Particulate Matter Sensor harness is open or shorted, Particulate Matter Sensor circuit poor electrical connection.
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.
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Code Popularity 338
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 28, 2022
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Code P1472 GMC Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Particulate Matter Sensor Signal Message Counter is Incorrect.
OBDII Code P1472 GMC - Particulate Matter Sensor Signal Message Counter Incorrect - AutoCodes.com
P1472 GMC Code - Particulate Matter Sensor Signal Message Counter Incorrect

What are the Possible Causes of the DTC P1472 GMC?

  • Faulty Particulate Matter Sensor
  • Particulate Matter Sensor harness is open or shorted
  • Particulate Matter Sensor circuit poor electrical connection

How to Fix the DTC P1472 GMC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1472 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1472 GMC code?

Need more information on how to fix the P1472 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1472 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

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.

Frequently Asked Questions about P1472 GMC Code

1. What are the common symptoms of an OBDII code P1472 GMC?

The common symptoms of a P1472 GMC code may include poor engine performance, reduced fuel efficiency, and an illuminated check engine light.

2. What does the OBDII code P1472 GMC mean?

The OBDII code P1472 GMC indicates that the Particulate Matter Sensor Signal Message Counter is registering an incorrect signal.

3. What are the possible causes of the P1472 GMC code?

Possible causes of the P1472 GMC code include a faulty particulate matter sensor, wiring issues, sensor calibration problems, or issues with the diesel particulate filter system.

4. How serious is the OBDII code P1472 GMC?

While the vehicle may still be driveable with a P1472 GMC code, it is important to address the issue promptly to prevent potential damage to the engine or emissions system.

5. How can I diagnose and repair a P1472 GMC code?

Diagnosis typically involves inspecting the particulate matter sensor, checking the wiring connections, and verifying the sensor's calibration. Repair may involve replacing the faulty sensor or addressing any wiring issues.

6. Can I continue driving my vehicle with a P1472 GMC code?

It is not recommended to continue driving the vehicle with a P1472 GMC code, as it can lead to poor engine performance and potential damage to the emissions system.

7. How much does it cost to fix a P1472 GMC code?

The cost to fix a P1472 GMC code can vary depending on the underlying cause of the issue. It is advisable to consult a professional mechanic for an accurate diagnosis and cost estimate.

8. Is the P1472 GMC code specific to GMC vehicles only?

While the P1472 code is associated with GMC vehicles, similar codes related to particulate matter sensors may be present in other vehicle makes and models.

9. Can a P1472 GMC code be triggered by a loose gas cap?

A loose gas cap is unlikely to trigger a P1472 GMC code, as this code is specifically related to the particulate matter sensor signal message counter.

10. How can I prevent the recurrence of a P1472 GMC code?

Regular maintenance, such as keeping the emissions system in good condition and following the manufacturer's recommended service schedule, can help prevent the recurrence of a P1472 GMC code.

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