P1472 2017 Chevrolet Silverado Code - Particulate Matter Sensor Signal Message Counter Incorrect
Quick Answer
The diagnostic trouble code P1472 on a 2017 Chevrolet Silverado indicates that the Particulate Matter Sensor Signal Message Counter is incorrect. Common causes include Faulty Particulate Matter Sensor: The sensor itself may be malfunctioning or damaged, leading to incorrect signal message counter readings, Wiring Issues: Loose or damaged wiring connections between the sensor and the ECM can cause communication errors and trigger the P1472 code, Software Errors: Software glitches or issues in the ECM programming can result in incorrect signal message counter readings. 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 2017 Chevrolet Silverado indicates Particulate Matter Sensor Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Particulate Matter Sensor: The sensor itself may be malfunctioning or damaged, leading to incorrect signal message counter readings, Wiring Issues: Loose or damaged wiring connections between the sensor and the ECM can cause communication errors and trigger the P1472 code, Software Errors: Software glitches or issues in the ECM programming can result in incorrect signal message counter readings.
- 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 P1472 2017 Chevrolet Silverado Description
The diagnostic trouble code P1472 on a 2017 Chevrolet Silverado indicates that the Particulate Matter Sensor Signal Message Counter is incorrect. This sensor is a crucial component of the vehicle's emissions control system, specifically designed to monitor the particulate matter levels in the exhaust gas and ensure compliance with environmental regulations. When the signal message counter is incorrect, it means that the sensor is not providing accurate data to the engine control module (ECM), leading to potential issues with the vehicle's emissions levels.
Common Causes of P1472 2017 Chevrolet Silverado
- Faulty Particulate Matter Sensor: The sensor itself may be malfunctioning or damaged, leading to incorrect signal message counter readings.
- Wiring Issues: Loose or damaged wiring connections between the sensor and the ECM can cause communication errors and trigger the P1472 code.
- Software Errors: Software glitches or issues in the ECM programming can result in incorrect signal message counter readings.
- Exhaust System Blockages: Accumulation of soot or debris in the exhaust system can interfere with the sensor's operation and trigger the code.
- Environmental Factors: Harsh driving conditions, such as excessive idling or heavy towing, can impact the sensor's accuracy and lead to the P1472 code.
Symptoms of P1472 2017 Chevrolet Silverado
- Check Engine Light: The most common symptom associated with the P1472 code is the illumination of the check engine light on the dashboard.
- Reduced Fuel Efficiency: A malfunctioning particulate matter sensor can lead to decreased fuel efficiency and increased fuel consumption.
- Engine Misfires: Inaccurate sensor readings may cause the engine to misfire or run rough.
- Reduced Engine Performance: The vehicle may experience a lack of power or acceleration due to incorrect data from the sensor.
- Emission Issues: The vehicle may fail emissions tests or emit higher levels of pollutants due to inaccurate sensor readings.
How to Fix P1472 2017 Chevrolet Silverado
- Diagnostic Testing: Begin by using a diagnostic scan tool to retrieve the trouble codes and identify the specific cause of the P1472 code.
- Inspect Sensor and Wiring: Check the particulate matter sensor and its wiring connections for any signs of damage or corrosion. Repair or replace as needed.
- Clear Codes: After addressing the underlying issue, clear the trouble codes from the ECM memory and reset the system.
- Test Drive: Take the vehicle for a test drive to ensure that the P1472 code does not reappear and that the sensor is providing accurate readings.
- Emission Testing: If necessary, perform emissions testing to verify that the vehicle meets regulatory requirements after the repair.
Cost to Fix P1472 2017 Chevrolet Silverado
The cost of repairing the P1472 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty particulate matter sensor can range from $200 to $500, including parts and labor. However, if the issue is related to wiring repairs or software updates, the cost may be lower. It is advisable to consult with a qualified mechanic or dealership for a more accurate estimate based on the specific circumstances of the vehicle. Additionally, diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Be sure to factor in these variables when budgeting for the repair of the P1472 code on your Chevrolet Silverado.
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Frequently Asked Questions about P1472 2017 Chevrolet Silverado Code
What does the OBDII code P1472 mean on a 2017 Chevrolet Silverado?
The P1472 code indicates an issue with the particulate matter (PM) sensor, specifically that its signal message counter is incorrect or not functioning as expected.
What are the common symptoms of the P1472 code?
Symptoms may include a check engine light, reduced fuel efficiency, abnormal exhaust emissions, or a message on the dashboard related to the emissions system.
What causes the P1472 code to appear?
Common causes include a faulty particulate matter sensor, wiring or connection issues, software glitches in the engine control module (ECM), or excessive soot buildup in the exhaust system.
Can you drive a 2017 Chevrolet Silverado with the P1472 code?
While the vehicle may still be drivable, it is not recommended as it could lead to increased emissions, reduced performance, or further damage to the emissions system.
How is the P1472 code diagnosed?
A mechanic will use a scan tool to verify the code, inspect the PM sensor and its wiring, check for software updates, and test the exhaust system for excessive soot or blockages.
How do you fix the P1472 code?
Repairs may include replacing the particulate matter sensor, cleaning or repairing wiring connections, updating the ECM software, or addressing soot buildup in the exhaust system.
Is the particulate matter sensor expensive to replace?
The PM sensor can be relatively costly due to its specialized role in monitoring emissions, with prices typically ranging from $300 to $800, depending on parts and labor.
What maintenance can prevent the P1472 code?
Regular maintenance, such as using quality fuel, avoiding excessive idling, and ensuring the diesel particulate filter (DPF) is properly cleaned, can help prevent PM sensor issues.
Does the P1472 code affect emissions testing?
Yes, the P1472 code can cause the vehicle to fail emissions tests due to the malfunction of the PM sensor, which is critical for monitoring and regulating exhaust emissions.
Can a faulty PM sensor cause other problems in the Silverado?
Yes, a faulty PM sensor can lead to improper engine adjustments, potential damage to the DPF, and higher emissions output, which may cause long-term issues if not addressed.
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