P0B10 - OBD Trouble Code

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How does the P0B10 error code gets stored in the vehicle? How can this error code be removed? The improper functioning of the battery current sensor is generally known as the hybrid battery pack current sensor ‘B’ circuit low. The battery pack with high voltage has a current sensor which is actually placed on the negative battery cable. This sensor will give the information of charging and discharging of the battery pack to the battery control module. If the malfunctioning of the sensor circuit is found by the battery control module, then the P0B10 error will be set.

The hybrid/EV battery current sensor is placed on the inner portion of the hybrid/EV battery pack. The positive high voltage cable will go through hybrid/EV battery pack current sensor and will finally reach the positive contactor. The strength of current that goes in and out of the hybrid/EV battery is identified by the hybrid/EV battery pack. The battery energy control module will send and look after the 5 V reference signal to the hybrid/EV battery pack current sensor. The signal of the hybrid/EV battery pack current sensor is in a proper ratio to the strength of current which moves in and out of the hybrid/EV battery pack. The battery will be getting charged if the voltage is more than 2.5V and if the signal voltage is less than 2.5 V, it means the battery is discharging. To maintain correct precision, 2 measurement ranges – high and low resolution is available in the hybrid/EV battery pack sensor which may overlap at times with each other. The measurement of high voltage is -23 to +23A and low range is from -470 to +280 A.

What causes this problem with the Hybrid Battery Pack Current Sensor "B" Circuit Low?

• Damaged battery energy control module.
• There might be an opening or the battery energy control module harness might have a short circuit.
• The electrical connection of the battery energy control module circuit might be weak.

1. Hybrid Battery Pack - A damaged or defective hybrid battery pack has to be replaced quickly to avoid troubles in the system.
2. Hybrid Battery Pack Current Sensor - Get rid of the P0B10 error code by changing the faulty hybrid battery pack current sensor.
3. Battery Cables - Facing troubles with your faulty battery cable? Then it’s high time to get a new battery cable from Parts Avatar.
4. Battery Current Sensor - A faulty battery current sensor will need immediate replacement so that the system functions normally
5. Battery Control Module - Are you looking for a replacement for your faulty battery control module? Shop them from PartsAvatar at best prices online.
6. Engine Control Module - P0B10 error can be avoided if the damaged engine control module is replaced or repaired.

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 P0B10 here:

Common Symptoms

• Either the warning light of the service engine or the engine light will remain on.

We have listed out some ways which would help you to correct the occurrence of OBD Code P0B0B. They are mentioned here as follows:

• Repair or replace the Auxiliary Transmission Fluid Pump
• Repair or replace the ECM or PCM
• Repair or replace the faulty harness and circuits

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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:

• One of the main reason for the P0B10 error code is because of the engine light which has failed.
• Firstly, the mechanic will check the gas cap for the faulty engine light.
• He will visually inspect the gas cap for any possible damages or cracks. If there are no damages, he will pull over and retighten the gas cap.
• After making sure that there are no damages in the gas cap, the mechanic will test drive the vehicle and see if the engine light still appears.
• Another reason, as to why this error code appears is because faulty hybrid battery pack/ hybrid battery pack current sensor.
• The mechanic will look after these components very carefully and replace them if they are damaged.
• After this, the mechanic will check the battery cables, battery current sensor and battery control module for any possible damages and fix if any issue arises.
• As a very rare case, the mechanic will carefully check for any faults in the engine control module and replace them if they are found to be damaged.
• After carrying out this diagnosis, the mechanic will reset the vehicle for any error codes and test drive the vehicle again to see if the error code still appears and the engine light turns on.

Common Mistakes When Diagnosing the P0B10 Code

• Failure of the high voltage battery assembly.
• Damaged battery current sensor.
• Malfunctioning battery control module.