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Code P24AE

Quick reference

P24AE at a glance

Plain-language meaning
This code means there's a problem with the sensor that checks for tiny particles in the car's exhaust. It's like a smoke detector for your car's engine.
Urgency
Moderate – While the vehicle may still be drivable, emissions and performance could be affected.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools (screwdrivers, pliers)

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means there's a problem with the sensor that checks for tiny particles in the car's exhaust. It's like a smoke detector for your car's engine.

Explanation

The P24AE code indicates an issue with the circuit of the particulate matter sensor, which monitors the amount of soot or particles in the exhaust system.

Technical description

The particulate matter sensor is part of the vehicle's emissions control system. It measures the concentration of soot particles in the exhaust gases. The P24AE code is triggered when the sensor circuit has a malfunction, such as a short or an open circuit, or if the sensor itself is faulty.

Symptoms

• Check Engine Light illuminated

• Decreased fuel efficiency

• Increased emissions

• Possible engine performance issues

Common Causes

• Faulty particulate matter sensor

• Wiring issues such as short or open circuits

• Corroded or loose electrical connections

• Faulty Engine Control Module (ECM)

Glossary

Particulate Matter: Tiny particles found in exhaust gases, often from diesel engines.

ECM: Engine Control Module, the computer that manages engine functions.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the particulate matter sensor and its wiring for damage.

• Check the electrical connections for corrosion or looseness.

• Test the sensor with a multimeter to ensure it is functioning properly.

Repair procedures

• Replace the particulate matter sensor if faulty.

• Repair or replace damaged wiring or connectors.

• Clear the code and test drive to ensure the issue is resolved.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools (screwdrivers, pliers)

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-250

• Chevrolet Silverado

• Dodge Ram 2500

Preventive measures

• Regular maintenance of the exhaust system

• Ensure timely replacement of sensors

• Keep electrical connections clean and secure

Error code type

Sensor Issue

User experience recommendations

• Do not ignore the Check Engine Light.

• Have the vehicle inspected by a professional if unsure.

• Regularly check and maintain the vehicle's exhaust system.

Warranty information

Check with the vehicle manufacturer for warranty coverage on emissions-related components.

Historical data

This code has become more common with the increased use of diesel particulate filters and stricter emissions regulations.

Urgency level

Moderate – While the vehicle may still be drivable, emissions and performance could be affected.

Testing conditions

• Engine at operating temperature

• Vehicle in closed loop operation

Component location

The particulate matter sensor is typically located in the exhaust system, near or within the diesel particulate filter.

FAQs

Q: Can I drive with a P24AE code?
A: While you can drive with this code, it's not recommended as it may affect emissions and engine performance.

Q: How do I clear the P24AE code?
A: The code can be cleared with an OBD-II scanner after addressing the underlying issue.

Optional diagnostic gear

Tools that may help diagnose P24AE

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

View on Amazon
Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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