Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a sensor in your car that checks how well the filter for dirty air is working. It's like a thermometer that isn't showing the right temperature.
The P245F code is triggered when the engine control module (ECM) detects a problem with the range or performance of the particulate filter pressure sensor B circuit.
The particulate filter pressure sensor B measures the pressure difference across the diesel particulate filter (DPF). It helps the ECM determine if the DPF is clogged or functioning properly. If the sensor readings are outside the expected range, the ECM sets the P245F code.
• Check Engine Light illuminated
• Reduced engine performance
• Increased exhaust smoke
• Faulty particulate filter pressure sensor B
• Wiring issues in the sensor circuit
• Clogged or damaged diesel particulate filter (DPF)
ECM: Engine Control Module
DPF: Diesel Particulate Filter
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for the sensor.
• Test the sensor for proper operation.
• Replace the particulate filter pressure sensor B if faulty.
• Repair or replace damaged wiring or connectors.
• Clean or replace the diesel particulate filter if clogged.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-250
• Chevrolet Silverado
• Dodge Ram 2500
• Regularly inspect and maintain the DPF.
• Use quality fuel to reduce soot buildup.
• Ensure timely servicing of the vehicle.
Sensor Issue
• Do not ignore the Check Engine Light.
• Seek professional diagnosis if unsure.
• Avoid prolonged driving with this code active.
Check with your vehicle manufacturer for warranty coverage on emissions-related components.
The P245F code has become more common with the introduction of stricter emissions standards requiring advanced monitoring of exhaust systems.
Moderate – Addressing this issue promptly can prevent further damage to the emissions system.
Driving with a malfunctioning emissions system may violate emissions laws and could lead to fines.
• Engine at operating temperature
• Vehicle running at idle
The particulate filter pressure sensor B is typically located near the diesel particulate filter in the exhaust system.
Q: Can I drive with a P245F code?
A: It's not recommended to drive for long periods with this code, as it may lead to further damage.
Q: How do I clear a P245F code?
A: After repairs, use an OBD-II scanner to clear the code, or it may clear itself after a few drive cycles if the issue is resolved.
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