Error Code P0B05: What It Means & What To Do?

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The trouble code P0B05 can be defined as Auxiliary Transmission Fluid Pump Motor Phase V Current High. The auxiliary transmission fluid pump motor is being monitored by the engine control module. This trouble code would be set by the ECM when the auxiliary transmission fluid pump motor signal would not be as per the specifications set by the manufacturer.

We learn more by looking for the answer to a question. That’s the reason why we are here to provide you the answers for all your questions. The engine control module, powertrain control module or the transmission control module monitors this circuit depending upon the particular automobile.

What causes this problem with the Auxiliary Transmission Fluid Pump Motor Phase V Current High?

• Faulty range sensor
• Malfunctioning transmission shifter
• Some issues related to the wirings as well as connectors

1. Engine Control Module - The P0B05 code can also arise due to some issues in Engine Control Module. So it is advised to replace them as soon as possible.
2. Powertrain Control Module - Do you remember when was the last time you got your car Powertrain Control Module checked up? A damaged Powertrain Control Module can cause a lot of issues like displaying P0B05 code.
3. Muffler - Muffler is an important car part which should never be neglected. May be there is some fault in it due to which P0B05 code may start flashing.
4. Exhaust System Parts - Is your Exhaust System Parts damaged or broken? Don’t worry as we have solutions for all your problems.
5. Transmission Fluid Pump - Defective car Transmission Fluid Pump can be a major reason why P0B05 code depicts. So make sure to replace it online so that you don’t have to face any further issues.
6. Automatic Transmission Fluid - Everything is okay with the Transmission Fluid Pump and still OBD code P0B05 triggering? Then there must be some defects in Automatic Transmission Fluid. Replace them as soon as possible.

Willing to know some common symptoms of OBD Trouble Code P0B05? Your wish is our demand. Have a look at them below:

Common Symptoms

• Visibility in the check engine light

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 P0B05:

• You must fix the defective auxiliary transmission fluid pump circuit
• It is essential to restore the flawed powertrain control module
• Repair or replace the quirky auxiliary transmission fluid pump 
• It is necessary to perform proper service of the unsound auxiliary transmission fluid pump harness

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If you want to easily diagnose this fault code, then all you have to do is to follow the steps which are mentioned below:

• This is a general type of error code which is diagnosed with the help of a scanner.
• The mechanic will insert a scanner to diagnostic port of the vehicle and recover the codes and freeze frame data.
• If he happens to find any additional error codes, he has to address them as well.
• Once it is done, he has to reset the vehicle, and then test drive to see if the error codes appears.
• If the error code does not return, then there can be an erratic condition.
• Then the mechanic has to check the wires, connectors and other electrical components and quickly replace them if he finds them to be damaged or defective.

Common Mistakes When Diagnosing The P0B05 Code

• Common mistakes while diagnosing this trouble code are unnecessary and expensive replacements which usually happen when one don’t follow all the steps carefully. In this code usually people replace auxiliary transmission fluid pump motor without even properly diagnosing it.
• The most common mistake while diagnosing this code is missing out on diagnosing steps which further leads to the expensive and unnecessary replacements. It is always recommended to seek help of experienced diagnostician to avoid any mistakes.