P0BFC OBD Error Code: Problem & Solutions

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Are you looking for information with respect to P0BFC error? Then you are at the right place. Keep reading further. P0BFC error is known as a drive motor "B" phase w current sensor circuit high. The drive motor generator power inverter module will look after and regulate the high voltage system as well as its drivetrain components. Self-check is done by the module to make sure that it has the ability to perform its functions correctly. The P0BFC error will be stored if any fault is found.

Rotating magnetic field will be produced in MG2, as and when the 3-phase alternating current flows smoothly through the 3-phase windings of the stator coil. Conforming to the rotation position and speed of the rotor, the rotation of the magnetic field will be taken care of by the system. As a result, the permanent magnets which is found near the rotor will be pulled towards the direction of rotation by producing even more torque. The torque which is produced will be exactly proportional to the amount of current. The MG2 speed will be taken care of by the system which regulates the frequency of the alternating current. Added to this, the system will correctly control the rotating magnetic field and angle of the rotor magnets so that more torque can be produced in an effective manner during high speed.

What causes this problem with Drive Motor "B" Phase W Current Sensor Circuit High?

• Damaged hybrid vehicle motor assembly.
• There might be an opening or the hybrid vehicle motor assembly harness might have a short circuit.
• The electrical connection of the hybrid vehicle motor assembly circuit might be weak.

1. Hybrid Vehicle Motor Assembly - Fixing your faulty hybrid vehicle motor assembly will help your engine to run smoothly.
2. Hybrid Vehicle Motor Assembly Harness - Visually inspect your hybrid vehicle motor assembly harness for possible damages and faults. If it is damaged, it has to be replaced immediately.
3. Engine Control Module - Conditions of misfire shows that your ECM is faulty. Fix it as soon as possible to avoid the P0BFC error in your vehicle by getting a new ECM from PartsAvatar.
4. Powertrain Control Module - Overheating of the PCM can likely damage your PCM. Change it quickly by getting a new PCM from PartsAvatar.

It is vital 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 P0BFC here:

Common Symptoms

• You might find the engine light or else the warning light of the service engine turned on.

Want to correct the Trouble Code P0BFC? Read these points mentioned below:

• The hybrid vehicle motor assembly has to be changed.
• Replacing the faulty engine control module.
• Repairing the damaged powertrain control module.

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It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P0BFC code to be stored:

• In diesel applications, exhaust after treatment fuel injector systems are exclusively used.
• Water, chemical agent, air or a combination of three is used by the exhaust after treatment fuel injectors system to minimize the exhaust emission in automotive applications by minimizing the exhaust temperature or else the exhaust pressure in the DPF or catalytic converter assembly.
• You can handover this diagnostic trouble code to the trained technicians as there are many circuits involved.
• Remove the transmission pan, if the fluid smells burnt and visually inspect for any clutch materials and other debris.
• Low pump pressure can arise in the vehicle due to congested hydraulic passages, a imperfect pump, broken shift solenoids, or a faulty electronic pressure regulator
• If there is white smoke, then it means that the fuel that is inserted into the combustion chamber is not burnt properly.
• The cause for the presence of white smoke can range from a simple reason like the engine compression is low or the water that is present in the fuel and which is sent to the fuel pump timing is thrown off as there is something which makes the fuel to starve from getting inside of the pump in a similar manner which is essential for the pump to time and work accurately.
• You must not replace the parts or components only with reference to a P0BFC error code.
• For more information on the possible causes of the P0BFC error, you can verify the vehicle service manual along with the necessary testing.
• For instance, dirty MAF sensor can make the car to overcompensate in its fuel trim adjustments.
• You will see problems of fuel mixture in the oxygen sensor. 

Common Mistakes When Diagnosing the P0BFC Code

• Electrical wires might cause some issues
• Failure of the inverter control module.