AutoCodes – Cadillac – P1472 Cadillac

P1472 Cadillac 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 Cadillac 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 427

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1472 Cadillac 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 Cadillac - Particulate Matter Sensor Signal Message Counter Incorrect - AutoCodes.com — P1472 Cadillac Code - Particulate Matter Sensor Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P1472 Cadillac?

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 Cadillac?

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 Cadillac 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 Cadillac code?

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

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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 Cadillac Code

1. What does the OBDII code P1472 mean on a Cadillac?

P1472 indicates that the particulate matter sensor is sending a signal with an incorrect message counter, which may disrupt the vehicle's emissions monitoring system.

2. What are the common symptoms of P1472 on a Cadillac?

Symptoms include the check engine light turning on, reduced fuel efficiency, poor engine performance, or the vehicle failing an emissions test.

3. What causes the P1472 code on a Cadillac?

Common causes include a faulty particulate matter sensor, damaged wiring or connectors, a malfunctioning ECM, or software issues in the vehicle's control module.

4. Can I drive my Cadillac with the P1472 code?

While the vehicle may still run, driving with this code could lead to higher emissions and potential damage to the exhaust or emissions system if not addressed promptly.

5. How do I diagnose the P1472 code on a Cadillac?

Diagnosis involves scanning for codes, inspecting the particulate matter sensor and its wiring, checking for software updates, and verifying the sensor's data output with a scan tool.

6. How do I fix the P1472 code on my Cadillac?

Repairs may include replacing the particulate matter sensor, repairing or replacing damaged wiring or connectors, updating the ECM software, or recalibrating the sensor.

7. Is the particulate matter sensor expensive to replace?

The cost can vary depending on the model, but replacing a particulate matter sensor typically ranges from $200 to $500, including labor.

8. Does the P1472 code affect emissions tests?

Yes, the P1472 code can cause the vehicle to fail an emissions test due to incorrect particulate matter sensor readings.

9. Can a software update fix the P1472 code on a Cadillac?

In some cases, a software update to the ECM or control module may resolve the issue if the problem stems from a programming error.

10. What tools are needed to troubleshoot the P1472 code?

A professional-grade OBDII scan tool, a multimeter for checking wiring, and possibly access to Cadillac's service manual are needed for accurate diagnosis and repair.