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Code P245E

Quick reference

P245E at a glance

Plain-language meaning
This code means there's a problem with a sensor that helps the car know how dirty the filter is. It's like a nose that tells if the air filter is clogged, but it's not working right.
Urgency
Moderate – It should be addressed soon to prevent potential engine performance issues.
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 a sensor that helps the car know how dirty the filter is. It's like a nose that tells if the air filter is clogged, but it's not working right.

Explanation

The P245E code indicates an issue with the electrical circuit of the Particulate Filter Pressure Sensor B, which monitors the pressure difference across the diesel particulate filter (DPF).

Technical description

The Particulate Filter Pressure Sensor B is responsible for measuring the pressure difference across the diesel particulate filter (DPF) to determine its load and efficiency. If the sensor or its circuit malfunctions, it can lead to incorrect readings, potentially causing the engine control module (ECM) to mismanage the DPF regeneration process.

Symptoms

• Check Engine Light is on

• Reduced engine performance

• Increased fuel consumption

Common Causes

• Faulty particulate filter pressure sensor

• Wiring issues such as open or short circuits

• Connector problems like corrosion or poor connections

Glossary

DPF: Diesel Particulate Filter

ECM: Engine Control Module

Diagnosis steps

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

• Inspect the wiring and connectors for damage or corrosion.

• Test the sensor with a multimeter for proper voltage and resistance.

Repair procedures

• Replace the faulty particulate filter pressure sensor.

• 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

• Ram 2500

Preventive measures

• Regularly inspect and clean the DPF system.

• Ensure all sensors and connectors are free from dirt and corrosion.

• Follow the manufacturer's maintenance schedule for the exhaust system.

Error code type

Sensor Issue

User experience recommendations

• Avoid driving the vehicle until the issue is resolved to prevent further damage.

• Consult a professional mechanic if you're unsure about the repair process.

Warranty information

Check with your vehicle manufacturer as emissions-related components may be covered under warranty.

Historical data

This code has been reported in vehicles with diesel engines, especially those with high mileage or poor maintenance of the DPF system.

Urgency level

Moderate – It should be addressed soon to prevent potential engine performance issues.

Testing conditions

• Engine running

• Vehicle at operating temperature

Component location

The particulate filter pressure sensor is typically located near the diesel particulate filter in the exhaust system.

FAQs

Q: Can I drive with a P245E code?
A: It's not recommended to drive for extended periods with this code, as it can lead to decreased engine performance and increased emissions.

Q: How do I reset the Check Engine Light after repair?
A: You can use an OBD-II scanner to clear the code after the repair is completed.

Optional diagnostic gear

Tools that may help diagnose P245E

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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