Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the sensor that checks the temperature of the tiny particles in the exhaust. It's like a thermometer for the car's exhaust, and it's not working right.
The P24C7 code is triggered when the engine control module (ECM) detects an issue with the particulate matter sensor's temperature circuit. This sensor monitors the temperature of the exhaust gases to ensure they are within the expected range.
The particulate matter sensor is part of the vehicle's emissions control system, designed to monitor the amount and temperature of particulate matter in the exhaust. The sensor's temperature circuit must operate within a specific range to provide accurate readings. If the circuit's performance is outside this range, the ECM will set the P24C7 code.
• Check Engine Light illuminated
• Potential decrease in engine performance
• Possible increase in emissions
• Faulty particulate matter sensor
• Wiring issues or poor connections in the sensor circuit
• Malfunctioning ECM
Particulate Matter: Tiny particles found in exhaust gases, often from diesel engines.
ECM: Engine Control Module, the computer that controls engine functions.
• Use an OBD-II scanner to confirm the code.
• Inspect the particulate matter sensor and its wiring for damage or corrosion.
• Test the sensor's resistance and compare it to the manufacturer's specifications.
• Replace the particulate matter sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-250
• Chevrolet Silverado
• Ram 1500
• Regularly inspect and maintain the exhaust system.
• Ensure all sensors and wiring are in good condition.
• Use quality fuel to minimize particulate buildup.
Sensor Issue
• Do not ignore the check engine light.
• Have the vehicle inspected by a professional if you are unsure.
• Keep up with regular vehicle maintenance.
Check with your vehicle manufacturer for specific warranty coverage on emissions components.
The P24C7 code is relatively uncommon and typically associated with vehicles equipped with advanced emissions control systems.
Moderate – Addressing this issue promptly can prevent further emissions problems.
Driving with a malfunctioning emissions system may violate emissions regulations and contribute to environmental pollution.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The particulate matter sensor is typically located in the exhaust system, near the catalytic converter or diesel particulate filter.
Q: Can I drive with a P24C7 code?
A: It's not recommended to drive for extended periods with this code, as it may lead to increased emissions and potential engine performance issues.
Q: How can I prevent this code from appearing?
A: Regular maintenance of the exhaust system and using quality fuel can help prevent issues with the particulate matter sensor.
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Fitment Required · Vehicle-fitment part
Relevant when catalyst-efficiency or emissions faults persist after proper diagnosis.
Catalyst-efficiency faults sometimes point toward converter problems after proper testing.
Catalytic converters are highly vehicle-specific and should not be purchased by code alone.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.