Guide To P2453 OBD Error Code Solutions

It is the engine control module which would examine the diesel particulate filter pressure sensor. This trouble code would be set by the ECM when the diesel particulate filter pressure sensor A circuit would not be as per the parameters set by the manufacturer.

What causes this problem with the Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance?

• The diesel exhaust fluid reservoir might be unoccupied
• Incorrect diesel exhaust fluid
• Imperfect DPF pressure sensor
• Obstructed DPF pressure sensor tubes/hoses
• Issue of unbolted DPF pressure sensor A circuit
• Incompetent DPF regeneration
• Not working active DPF regeneration system

1. Diesel Particulate Filter – The diesel particulate filter acts as an important component in managing the particulate emission in the exhaust system. If the filter is damaged, it may lead to increased emissions and pollutants through the tailpipe. Thus, replace damaged filter now!
2. Diesel Exhaust Fluid Pump - If the diesel exhaust fluid pump is physically damaged, it can result in leakages, loss of pressure and harsh shifting. Thus, the fluid pump must be replaced, if found damaged. Buy new fluid pump from us now!
3. Engine Control Module - The solenoid might cause a short in the engine control module because of corrosion in the solenoid or the wire running from the solenoid to the ECM harness.
4. Exhaust Gas Recirculation Valve - It is auto part commonly found on many road going automobiles. It is a part of the vehicle’s exhaust gas recirculation (EGR) system, an emissions system that is designed to recirculate exhaust gases back into the vehicle’s intake so that it can reduce cylinder temperatures and NOx emissions. Purchase top notch exhaust gas recirculation valve from us at economical prices.
5. Electronic Control Unit – The ECU power management control module keeps in check the hybrid battery charging functions. If the ECU is faulty, the battery pack will not be able to properly get charged and thus, the ECU might need replacement.
6. Exhaust System Parts – Are you seeing this error code flashing? Well, it could be due to malfunctioning exhaust system parts. In addition to this error code, the driver is likely to experience a noisy engine, decrease in power and acceleration. We strongly recommend you to purchase new exhaust system parts from Parts Avatar.
7. Powertrain Control Module - A trouble with the PCM would mean that it is unable to determine the right fuel mixture and would send the car engine either more or less fuel than it requires. Now when the engine gets more, the carbon emission would increase and fuel economy would drop. In case of the opposite, the engine will choke, stutter, and might start stalling sometimes.
8. Diagnostic Tool – Usually any OBD code problem requires deep insight into the problem and high grade tools in order to fix it properly. Thus, buy quality diagnostic tools form us!

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 P2453 here:

Common Symptoms

• Illumination in the service engine soon light
• Decrease in the engine performance
• A lot of black smoke from vehicle exhaust
• The temperature of the engine might be high
• There can be inflated transmission temperatures

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P2453:

• Make sure to add the diesel exhaust fluid
• Repair or replace the quirky flawed DPF pressure sensor A harness
• Rehabilitate the defaults in the DPF pressure sensor
• Carefully adjust the faults in the DPF regeneration system parts
• Recondition the non-functioning DPF pressure sensor tubes/hoses
• It is necessary to perform proper service of the unsound DPF pressure sensor A circuit

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If you want to easily diagnose this trouble code, then you must follow the steps which are mentioned here as below:

The first and foremost step is to verify this error code by using an OBD scanner. You may also need to obtain diagnostic flow charts, wiring diagrams, connector face views, connector pinout charts, component locations, and component testing procedures/specifications from the vehicle information source. All this information will be needed to correctly diagnose the stored code P2453. You must always start with a visual inspection of the wiring harnesses and connectors. Make sure to pay specific attention to wiring that is routed near hot exhaust constituents and sharp edges. Check the battery and battery terminal ends at this time and check alternator output. After that the scanner should be connected and all the stored codes as well as freeze frame data should be retrieved properly. You can always note this information down for future reference. It might come in handy if this code proves to be intermittent. After that the codes should be cleared up and the automobile should be taken out for the test drive. Now if the code immediately resets, then inspect to make sure that diesel exhaust fluid is present and that it is of the right type. This code is generally stored due to lack of diesel exhaust fluid. if the right type of diesel exhaust fluid is not present, then the DPF will not be regenerated effectively and then it would lead to an increase in the exhaust pressure. The manufacturer’s service manual can be consulted for instructions on how to test the DPF pressure sensor using the DVOM. If the sensor would not comply with manufacturer’s resistance specifications, then it would indicate that it is faulty and thus, it should be replaced. But if the sensor is in good working condition, then inspect for clogs and/or breakage in the DPF pressure sensor supply hoses. The hoses should be cleaned and replaced as per the requirement. Make sure to use high temp silicon hoses. If the sensor is in good working condition and supply lines are intact, then the next step would be to start testing system circuits. All associated control modules should be disconnected prior to testing resistance and/or continuity with the DVOM. Repair or replace open or shorted circuits as per the requirement. Here are some additional diagnostic notes which would prove to be very helpful. If you find out that the DPF pressure sensor hoses are melted or cracked, then they should be rerouted after replacement. The owners/service manual should be consulted to find out if your vehicle is equipped with an active DPF regeneration system or a passive system. Clogged sensor ports as well as clogged sensor tubes are common.

Common Mistakes When Diagnosing The P2453 Code

• Exhaust might start leaking
• Quirks in the exhaust pressure sensor
• Issues related with the exhaustsystem parts