P244B Code - Diesel Particulate Filter Differential Pressure Too High Bank 1
Quick Answer
This diagnostic checks to make sure that the aftertreatment Diesel Particulate Filter is present and functioning correctly. Common causes include Faulty diesel particulate filter, Exhaust leaks before or near the diesel particulate filter pressure sensor, Leaks in the diesel particulate filter pressure sensor connecting hose. 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
- P244B indicates Diesel Particulate Filter Differential Pressure Too High Bank 1.
- Common causes
- Common causes include Faulty diesel particulate filter, Exhaust leaks before or near the diesel particulate filter pressure sensor, Leaks in the diesel particulate filter pressure sensor connecting hose.
- 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.
Code P244B Description
What are the Possible Causes of the DTC P244B?
- Faulty diesel particulate filter
- Exhaust leaks before or near the diesel particulate filter pressure sensor
- Leaks in the diesel particulate filter pressure sensor connecting hose
- Aftermarket accessories and performance modifications
How to Fix the DTC P244B?
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 P244B 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.
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Information for Specific Makes
- P244B Buick — Diesel Particulate Filter High Differential Pressure
- P244B Cadillac — Diesel Particulate Filter High Differential Pressure
- P244B Chevrolet — Diesel Particulate Filter High Differential Pressure
- P244B Dodge — Diesel Particulate Filter Differential Pressure Too High Bank 1
- P244B Ford — Diesel Particulate Filter Differential Pressure Too High Bank 1
- P244B GMC — Diesel Particulate Filter High Differential Pressure
- P244B RAM — Diesel Particulate Filter Differential Pressure Too High Bank 1
Frequently Asked Questions about P244B Code
1. What are the common symptoms of OBDII code P244B (Diesel Particulate Filter Differential Pressure Too High Bank 1)?
- Common symptoms include decreased engine performance, reduced fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of OBDII code P244B?
- The code P244B can be caused by issues such as a clogged diesel particulate filter, faulty differential pressure sensor, or exhaust system leaks.
3. How serious is the OBDII code P244B?
- The code P244B should be addressed promptly as it can lead to further damage to the engine and emissions system if left unresolved.
4. Can I continue driving with the OBDII code P244B present?
- It is not recommended to continue driving with the code P244B present, as it can result in reduced engine performance and potential damage to the emissions system.
5. How can I diagnose the OBDII code P244B?
- Diagnosis typically involves using a diagnostic scanner to read the code, checking the differential pressure sensor, inspecting the diesel particulate filter, and examining the exhaust system for leaks.
6. What are some tips for repairing the OBDII code P244B?
- Repair tips may include cleaning or replacing the diesel particulate filter, replacing the differential pressure sensor, fixing any exhaust leaks, and resetting the code after repairs are completed.
7. Can I reset the OBDII code P244B without fixing the underlying issue?
- While you can reset the code using a diagnostic scanner, it is important to address the underlying issue causing the code to prevent further problems.
8. How much does it typically cost to repair the OBDII code P244B?
- The cost of repairing the code P244B can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Is the OBDII code P244B specific to certain vehicle makes and models?
- The code P244B is commonly found in diesel vehicles equipped with a diesel particulate filter, but the specific make and model can vary.
10. How can I prevent the OBDII code P244B from occurring in the future?
- Regular maintenance, such as timely filter replacements and addressing any engine performance issues promptly, can help prevent the code P244B from occurring in the future.
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