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P0B14 - OBD Trouble Code

OBD Code P0B14 - Hybrid Battery Pack Voltage Sense "B" Circuit

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What are the symptoms for P0B14 error code? What causes this error to get stored in the vehicle? Are you looking for this information? Keep reading. The hybrid battery pack voltage sense 'B' circuit is operated by the engine control module and you will find the error code stored in the vehicle by the ECM if the signal of the hybrid battery pack voltage sense 'B' circuit fails to meet factory specifications.

Learn More About OBD Error Code P0B14

The common trouble code P0B14 is generally known as the hybrid battery pack voltage sense 'B' circuit. The hybrid battery pack comprises over 300 individual battery cells where these cells are combined together. The voltage monitor is fixed to each group so that the voltage that is present in each cell group is conveyed to the battery control module or hybrid powertrain control module. If suppose, the voltage is less in the cell group, then the P0B14 error will be set.


What causes this problem with the Hybrid Battery Pack Voltage Sense "B" Circuit?


  • Broken hybrid battery pack.
  • The harness of the hybrid battery pack might be shorted or it might have an opening.
  • The electrical connection of the hybrid battery pack might be bad.

Replace/Repair These Parts To Fix OBD Code P0B14

  1. Hybrid Battery Pack - Get the right replacement for your faulty hybrid battery pack from Parts Avatar at best prices online.
  2. Hybrid Battery Pack Current Sensor One of the easiest ways to get rid of the P0B14 error in your vehicle is by changing the damaged hybrid battery pack current sensor.
  3. Battery Cables - The battery cables which are malfunctioning must be changed immediately to avoid the P0B14 error code.
  4. Battery Current Sensor - P0B14 error can be avoided when the damaged battery current sensor is repaired or replaced.
  5. Battery Control Module - If you want to avoid the P0B14 error in the vehicle, then the damaged battery control module must be fixed.
  6. Engine Control Module - The faulty engine control module has to be fixed for the vehicle to function normally.

Symptoms Of OBD Error Code P0B14

If you are facing OBD error code P0B14, then there are significant common symptoms that can be felt or observed. We have worked out a list here to help you out in understanding this problem better.


Common Symptoms


  • You might notice the flashing of the engine light and the warning light of the service engine.

How To Correct P0B14 Hybrid Battery Pack Voltage Sense "B" Circuit

It is very important to fix the fault code P0B14. So here are some ways with which you can correct this issue:


  • The damaged hybrid battery pack and hybrid battery pack current sensor needs fixation.
  • Fixing the defective engine control module.
  • Faulty battery cables and battery control module has to be changed.

To do all this, you will need a few high-quality auto parts such as body control module, battery connectors, engine control module (ECM), BCM, power control module and so on. From where will you get them? From your local store? Well, why go there when you can order quality parts with us while sitting in the comfort of your home. So, just browse through our website and order your needed parts today.

Easy Diagnosis Of Engine Error OBD Code P0B14

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P0B14 code to be stored:


  • This is a general type of diagnostic trouble code where the mechanic will use a scanner to identify the error code that is stored in the vehicle.
  • Every of the freeze frame data and stored codes will be recovered by connecting a scanner to the diagnostic port of the vehicle.
  • This information can help the mechanic with further diagnosis.
  • Initially, the mechanic will start inspecting the hybrid battery pack and hybrid battery pack current sensor for any possible damages or defects.
  • If there are no faults or stored error codes the mechanic will go about checking the components like battery cables, battery control module and so on if they are defective or broken.
  • As a very rare case, the mechanic may come across the engine control module which might be faulty or broken. The mechanic will address this issue accordingly.
  • Once the diagnosis is fully done, the mechanic will reset the code and try to test drive the vehicle to see if the engine light keeps flashing and if the error code still appears.
  • This process will eventually help the mechanic to know as to where the actual fault arises.


Common Mistakes When Diagnosing The P0B14 Code


The common mistakes that are made while diagnosing the P0B14 error are that the battery contactor assembly and the battery energy control module might turn out to be defective.

Other Diagnostic Codes Related To OBD Code P0B14

P0B15 - Hybrid Battery Pack Voltage Sense "B" Circuit Range/Performance

P0B16 - Hybrid Battery Pack Voltage Sense "B" Circuit Low

P0B17 - Hybrid Battery Pack Voltage Sense "B" Circuit High

P0B18 - Hybrid Battery Pack Voltage Sense "B" Circuit Intermittent/Erratic