Guide To P0B03 OBD Error Code Solutions

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The trouble code P0B03 can be described as Auxiliary Transmission Fluid Pump Motor Phase V Current. This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another. 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.

Don’t worry if P0B03 error code is triggering again and again. We offer wide range of auto parts at affordable prices to our dear customers. This diagnostic fault code is a generic powertrain code, which means that it would apply to the OBD-II equipped vehicles. The specific repair steps can vary as it depends upon the vehicle make and model.

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

• Quirks in the auxiliary transmission fluid pump
• Auxiliary transmission fluid pump harness might be unlocked 
• Auxiliary transmission fluid pump circuit bad electrical connection

1. Transmission Fluid Pump - Do you remember when was the last time you got your Transmission Fluid Pump checked up? A dirty Transmission Fluid Pump can cause a lot of issues like displaying P0B03 code.
2. Exhaust System Parts - Are there some faults in your Exhaust System Parts? Don’t waste time and get them replaced or else P0B03 code can turn up.
3. Muffler - Everything is fine with Transmission Fluid Pump and still P0B03 code triggering? Then you must get your Muffler checked.
4. Automatic Transmission Fluid - There can be some issues with the Automatic Transmission Fluid due to which you may see P0B03 code appearing over and over again. Visit us to buy best quality Automatic Transmission Fluid online.
5. Engine Control Module - A lot of issues can arise do to defective Engine Control Module. Did you just see P0B03 code flashing? Now you know the reason why it is appearing. Get it inspected and replaced on time.
6. Powertrain Control Module - Faulty Powertrain Control Module can be the reason why P0B03 code is flashing. Visit us to purchase top notch Powertrain Control Module online.

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0B03 code by mentioning some major symptoms below:

Common Symptoms

• Visibility in the check engine light
• Engine misfire
• Decrease in engine performance
• Problems in starting the car

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 P0B03:

• Make sure to mend the faulty auxiliary transmission fluid pump circuit
• Repair or replace the quirky powertrain control module
• The malfunctioning auxiliary transmission fluid pump should be repaired or replaced as per the need
• Recondition the non-functioning auxiliary transmission fluid pump harness

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

• As an initial step the mechanic will carefully inspect the vehicle with the help of a scanner.
• After this, the technician will connect a scanner to the diagnostic code so that he can recover all the codes and freeze frame data.
• Note down this information as it can clearly help for further diagnosis.
• After careful inspection, he will reset the code and test drive your vehicle to check for reappearance of the codes.
• He will know that an intermittent condition persist, if the code does not return instantly.
• But if the error code returns quickly, the vehicle is test driven, and then he has to inspect the transmission fluid.
• The transmission fluid can be dirty or there can be any blocks in the transmission filter which can be replaced instantly.
• At times, the fluid level will be insufficient which has to be fixed immediately. If he comes across any leaky areas, he will fix them too.
• Once the fluid is checked for appropriate level, then every other components like wires and connectors have to be checked for possible damages.
• If any of the component is damaged, the mechanic will replace them quickly.
• In this scenario, the error code mostly arises due to a dirty transmission fluid where it can also be contaminated or the shift solenoid is broken.
• Most often, whenever the mechanic carries out any repair work, he will reset the code and test drive your car, to check if the codes return immediately. This can preferably help the mechanic to know what caused this error code in the vehicle.

Common Mistakes When Diagnosing The P0B03 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.