AutoCodes – Generic – P24C6

P24C6 Code - Particulate Matter Sensor Temperature Circuit

Quick Answer

The soot emissions are expelled in the form of particle matter. 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: P24C6 indicates Particulate Matter Sensor Temperature Circuit.
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 8,779

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 May 09, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P24C6 Description

The soot emissions are expelled in the form of particle matter. A particle filter or trap is fitted to the exhaust system to store this particle matter. Once the filter reaches a predetermined loading a regeneration process is initiated. The purpose of the regeneration is to burn off/oxidize the soot particles to create harmless carbon dioxide, nitrogen, and water. Many additional components are fitted to the exhaust system to closely monitor the operation of the particle filter. These include temperature sensors to ensure the conditions are met for regeneration and a thermal overload does not occur. An exhaust gas pressure differential sensor, to measure exhaust gas pressure across the filter. Occasionally a broadband oxygen sensor can be fitted to measure the quantity of oxygen in the exhaust gas. Some manufacturers choose to fit a fuel injector into the exhaust to inject fuel into the hot exhaust gas stream to raise the temperature for regeneration.

OBDII Code P24C6 - Particulate Matter Sensor Temperature Circuit - AutoCodes.com — P24C6 Code - Particulate Matter Sensor Temperature Circuit

What does this mean?

What are the Possible Causes of the DTC P24C6?

Faulty Particulate Matter Sensor
Particulate Matter Sensor harness is open or shorted
Particulate Matter Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P24C6?

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 P24C6 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 P24C6 code?

Need more information on how to fix the P24C6 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P24C6 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P24C6 Mercedes-Benz — Particulate Matter Sensor Temperature Circuit

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 P24C6 Code

1. What does OBDII code P24C6 indicate?

- OBDII code P24C6 indicates a problem with the Particulate Matter Sensor Temperature Circuit in the vehicle's exhaust system.

2. What are the common symptoms of a P24C6 fault?

- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.

3. What are the possible causes of a P24C6 fault code?

- Possible causes include a faulty particulate matter sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's temperature readings.

4. How can I diagnose a P24C6 fault?

- Diagnosing a P24C6 fault typically involves using an OBDII scanner to retrieve the trouble code and then inspecting the particulate matter sensor and its related wiring for any visible damage.

5. Can a P24C6 fault be fixed without professional help?

- While some DIY enthusiasts may attempt to address a P24C6 fault by checking wiring connections and sensor integrity, seeking professional help is recommended for accurate diagnosis and repair.

6. Is it safe to continue driving with a P24C6 fault code?

- It is not recommended to drive with a P24C6 fault code as it can lead to further damage to the vehicle's emissions system and potentially affect engine performance.

7. How much does it typically cost to repair a P24C6 fault?

- The cost of repairing a P24C6 fault can vary depending on the underlying cause, but it may range from a simple sensor replacement to more extensive repairs involving the exhaust system.

8. Are there any preventive measures to avoid a P24C6 fault?

- Regular maintenance, such as keeping up with scheduled inspections and servicing of the emissions system, can help prevent issues that may trigger a P24C6 fault.

9. Can a P24C6 fault code be cleared without fixing the underlying issue?

- Clearing a P24C6 fault code without addressing the underlying problem is not recommended, as the issue may persist and trigger the check engine light again.

10. How long does it take to repair a P24C6 fault?

- The time required to repair a P24C6 fault can vary depending on the specific diagnosis and the availability of parts, but it may typically take a few hours to a day for completion.