P2464 OBD Error Code: Problem & Solutions

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P2464 is an OBD-II generic code that the engine control module (ECM) has detected the diesel particulate filter differential pressure sensor (DPFPS) signal to the ECM is too low for the bank 2.

The ECM monitors the particulate filter differential pressure sensor signal for particular voltage signals, and if the voltage goes below the desired parameters for more than 15 seconds, it sets the code P2464 and turns on the Check Engine Light.

This system can also be problematic as active regeneration takes time to complete. If the car comes to a stop during the regeneration process the cycle fails. This can cause a DPF warning light to be illuminated on the car's dashboard indicating a partial blockage of the filter. Similarly using the wrong engine oil or driving with insufficient fuel can have the same effect. More modern diesel cars may include a special additive to facilitate regeneration, so you need to keep an eye on the level of the additive tank.

Incomplete regeneration cycles can cause the deterioration of engine oil, as the unused fuel injected to start the process drains off into the sump. If you notice an increase in your oil level or receive an oil warning, DPF regeneration interruption could be the cause.

You can manually stimulate the regeneration process by driving at a minimum speed of 40mph for about ten minutes, to give the mechanism time to complete its cycle and clear the DPF warning light. Alternatively, drive with the revs at least at 2000 rpm for 5-10 minutes to produce a higher running temperature.

What causes this problem with the Diesel Particulate Filter Differential Pressure Too Low Bank 2?

• Diesel Particulate Filter Differential Pressure sensor faulty
• Open or short in the Diesel Particulate Filter Differential Pressure sensor harness
• Poor connections to the Diesel Particulate Filter Differential Pressure sensor circuit
• ECM/PCM errors

1. Engine Control Module – ECM failures and faults can be very difficult to find and resolve as these are very rare and might require a complete reprogramming of the system to avoid wrong codes from getting stored in the system, leading to misdiagnosis. Replace it now!
2. Powertrain Control Module – Faulty PCM can disrupt the normal functioning of the vehicle by affecting the transmission system and the fuel delivery system. This will cause the system to store wrong OBD error and thus can lead to misdiagnosis.
3. Diagnostic Tools – Take help of a professional mechanic to diagnose OBD code error. Use high grade diagnostic tools to resolve this issue. Buy new tools and equipment from us!
4. Fuel Injector – Bad fuel injectors can cause starting issues, poor idles and affected performance. Thus, the replacements are in order. Buy new fuel injectors now!
5. Exhaust Gas Recirculation Valve - If the PCM detects any fault in the vehicle’s EGR valve circuit, it will set up the check engine light so that the driver is notified about the fault. Properly check for the EGR valve faults leading to this OBD code getting stored in the system. Get the faulty EGR valve replaced or else this fault code can turn up.
6. Diesel Exhaust Fluid Pump – Faulty DEF pump can lead to increased emission and affected vehicle performance. It can also hamper the fuel economy and the power output of the vehicle. Thus, replace faulty DEF pump now!
7. Exhaust Gas Temperature Sensor - Alarmed? Check engine light illuminated? Excessively heating engine? All this is happening due to your faulty exhaust gas temperature sensor. Don’t know where to get yours? Tune into Parts Avatar now!
8. Diesel Particulate Filter - Your dirty or defective diesel particulate filter can not only lead to the error code P2464 but also problems with the engine note change and an increased engine idle. Log into Parts Avatar if you want to get your diesel particulate filter changed or repaired.
9. Fuel System Parts - Weary and damaged fuel system parts can often be problematic. So to add some spark to your ride you definitely need the perfect quality fuel system parts offered at Parts Avatar. Isn’t that just the perfect deal?
10. Exhaust System Parts - The inferior quality exhaust system parts can always be hazardous for the system also it is one of the primal causes behind the occurring of the error code P2464. Apart from the error code, it also leads to problems like excessive smoke emission from the vehicle’ exhaust. Tune into Parts Avatar for supreme quality exhaust system parts at economical prices.

It is essential to know the symptoms of an issue as only then you would be able to solve the problem. So that’s why we have listed out some major symptoms of OBD Code P2464 here:

Common Symptoms

• Reduced/abnormal engine performance
• Affected fuel efficiency
• Lean exhaust codes
• Increased emissions from the tailpipe

Here are some ways with the help of which you will be able to correct the OBD Code P2464.

• Mend or restore you distorted diesel particulate filter
• All the electrical components in the fuel system and turbocharger system should be visually inspected.
• Repair or replace all the damaged components as per the requirements
• Fix a jammed exhaust instantly
• Lastly, we advise the drivers to take care of their driving habits in order to avoid further complications
• caused by the error code P2464

There is no need to be anxious as Parts Avatar – Car Parts Online is here to help you out! We have high grade PCM, Diesel Particulate Filter, ECM, Exhaust Pressure Sensor, Diesel Exhaust Fluid, Exhaust System, Exhaust Gas Temperature and a lot more for our precious customers.

Here are some steps which you should follow in order to diagnose this fault code:

• Take the help of an experienced mechanic who will visually inspecting the exhaust system.
• Find and freeze frame data with the code. Then, clear the code and take the vehicle on a test drive under the same conditions.
• If the code reappears, perform a visual inspection of the components and its wiring.
• If the wiring is okay, the injector itself will be tested to confirm operation.
• The mechanic will repair or replace faults in relation to the reductant injection air pressure sensor, DEF pump and EGR valve. Also check for any wiring and harness issues and correct the damaged wirings.
• If there is no problem found, check for the faulty ECU. Although, this fault is very rare but can be a reason for problematic exhaust system, thus hampering the engine performance. The ECU needs to be replaced in such condition and has to be reprogrammed to erase any stored faulty error.

Common Mistakes When Diagnosing the P2464 Code

• Failing to verify the concern before attempting any repairs
• Failing to identify the shorted harness from loose harness straps
• Failing to check for any technical service bulletins that may have a fix for the code

P2465 - Diesel Particulate Filter Differential Pressure Too High Bank 2