P2552 OBD Error Code: Problem & Solutions

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Wondering on how to crack the error code P2552? Well, Parts Avatar has a solution for all your problems! All you need is this brief guide by Parts Avatar that’ll definitely help you solve the error code. This generic P2552 OBD-II trouble code signifies an error with the throttle or fuel inhibitor circuit. These types of errors are usually found in diesel powered vehicles. Also, this code shares similarities with other OBD-II codes namely: P2553, P2554 and P2555.

It should be noted that the OBD-II trouble code P2552 indicates at abnormal voltage readings that have been detected by the PCM or the fuel injection control module in either the throttle or the fuel inhibit circuit. The check engine light flashes followed by a stored error code P2552, whenever the readings vary by more than 10 percent of the manufacturer’s specifications. 

What causes this problem with Throttle/Fuel Inhibit Circuit?

• The connector pins in the fuel injection control module main connector defective or burnt
• Malfunctioning fuel injectors
• Damaged circuitry (open/shorted connectors or components)

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Well, if you are looking to know about the common symptoms related to this error code P2552, we are have worked out a small list to help you discover this error code with your vehicle:

Common Symptoms

• Often, the driver may notice a no-start condition
• Engine glitches

Once you know the symptoms of your vehicle’s problem, it becomes easy to detect it and get started with solving it. So, next on our list is few common steps to correct this issue with your vehicle’s

• All the electrical connectors should be detached and then cleaned thoroughly. Then while reconnecting them, make sure that they are seated correctly
• All the defective or burnt wiring and connectors should be repaired or replaced immediately
• Repair or replace all the weary or distorted fuel injection control module
• Make sure you mend or restore a faulty powertrain control module or fuel injection control module
• All the parts should be inspected again to further diagnose the problem (including the wiring, connectors, fuel injectors and vehicle computer) for possible errors, if the code returns 

If you need any parts to fix this problem, you can easily find them with us. Not only that we also have in stock the best in range auto parts and that too at the most budget friendly prices ever online. Whether you need a fuel injector, engine, connector, PCM, throttle, wiring, connectors, fuses, you can simply rely on us for quality auto parts.

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

Start by using an updated scan tool to check and confirm the presence of the trouble code P2552. Then proceed further to verify any related error codes such as those linked to the fuel injection or throttle. Now that all this has been done, clear the codes to see if any those return. Then perform a test drive, now that the codes have been cleared while analyzing data from the updated scanner connected to the powertrain control module.

Common Mistakes When Diagnosing the P2552 Code

Here we have listed for the convenience of our customers a few common mistakes that should be avoided while diagnosing the error code P2552:

Well, the most common mistake committed by the technicians is to preemptively blame the fuel supply system for the storage of the error code P2552 without even performing the complete procedure.