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Error Code P0B6F: What It Means & What To Do?

OBD Code P0B6F - Hybrid Battery Voltage Sense "K" Circuit Low

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Baffled? Don’t know where to start from? Well, here’s a brief guide about the error code P0B6F that’ll surely help you. This generic trouble OBD-II code increased fuel consumption is basically known as a hybrid battery voltage sense "K" circuit low. A large number of mini batteries connected together constitute the high voltage battery pack. Whenever the high voltage control module notifies a malfunction with more than one of the battery packs that are present in the high voltage battery assembly, the high voltage control module will store the code P0B6F.

Learn More About OBD Error Code P0B6F

Well, the hybrid/electric vehicle battery pack acquires a total of 288 cells. Set of three cells each are all fused together in regularity. Also, in the hybrid/EV battery pack assembly there are a total of 96 cell groups. All these cell groups are connected through an electrical connection in-series. The individual cell group can be seen to be rated at 3.7 V for a nominal system voltage of 355 V direct current. In three equal sections, the battery cells are divided. The battery section one can be seen being composed of first 90 cells/30 cell groups. This section can be located near to the cowl. It consists of batteries within 67 to 96. The battery section two can be found at the back of the section one. Containing 72 cells/24 cell groups the batteries present span from 43 to 66. The section number three is known as the transverse battery section. The remaining 126 cells/42 cell groups and batteries from 1 to 42 make up the section three. These three battery sections are valid for individual service.


Also, the battery energy control module regularly control the voltage of the 96 battery cell groups utilizing the four hybrid/EV battery interface control modules. These voltage sense circuits are all linked to each individual cell group. All these sense circuits close at a connector that can be found on the top surface of the battery section. A serviceable auxiliary battery wiring harness plays the role of connecting this connector to a hybrid/EV battery interface control module (also located on the top surface of the battery section). The hybrid/EV battery interface control module performs the essential function of encoding the voltage reading and further transferring it to the battery energy control module by the battery control harness. There is one hybrid/EV battery interface control module positioned over the battery sections one and two, while rest of the two hybrid/EV battery interface control modules are connected with battery section three. All the components namely the hybrid/EV battery interface control module, battery energy control module wiring harness, auxiliary battery wiring harness, and battery energy control module can be individually serviced.

Whenever there is a fault present, it is detected by the battery energy control module. All the diagnostics and system status present are regularly updated from the battery energy control module to hybrid/EV powertrain control module 2 using the serial data. Also, all the diagnostic trouble code information is stored and saved in the hybrid/EV powertrain control module 2.


What causes this problem with the Hybrid Battery Voltage Sense "K" Circuit Low?


  • A defective hybrid/electric vehicle battery pack
  • A possible fault in the hybrid/electric vehicle battery interface control module

Replace/Repair These Parts To Fix Code P0B6F

  1. Hybrid battery - Facing the error code P0B6F? An inferior quality hybrid battery can always be hazardous for the system also it is one of the primal causes behind the occurring of the error code P0B6F. Tune into Parts Avatar for supreme quality at economical prices.
  2. Hybrid battery pack - Having problems with the hybrid battery pack? Don’t you worry, Parts Avatar has it all. A faulty hybrid battery pack could end up being the root cause behind the error code P0B6F.
  3. Hybrid battery voltage sensor - Get your error code fixed instantly with a new hybrid battery voltage sensor. Parts Avatar right place that provides the best fuel regulators across the country.
  4. Battery cable - A distorted battery cable can end up being the chief host inviting the error code P0B6F. So replacing one can be one of the wisest decisions to avoid a problematic system.
  5. Battery assembly - Weary and damage battery assembly can often be problematic. So to add some spark to your ride you definitely need the perfect quality battery assembly offered at Parts Avatar. Isn’t that just the perfect deal? 
  6. Battery control module - A jammed or an unsound battery control module can end up being the chief host inviting the error code P0B6F. So replacing one can be one of the wisest decisions to avoid a problematic system.
  7. Powertrain control module - Abbreviated PCM this is an integral control unit. So a defective one should be changed immediately.
  8. Exhaust system parts - Change your exhaust system parts instantly to overcome the problems caused by the error code P0B6F.
  9. Battery smart unit - This important unit should be changed or repaired to solve the error code P0B6F.

Symptoms Of The OBD Error Code P0B6F

Interested in knowing the symptoms to obd code P0B6F? If yes, then you have arrived at the right place. We at PartsAvatar have listed out few common symptoms associated with this fuel injector problem


Common Symptoms


  • A significant rise in the fuel consumption

How To Correct P0B6F Hybrid Battery Voltage Sense "K" Circuit Low Issue

After understanding the symptoms and few common causes behind the OBD error code, we are here to help you out in understanding the ways and means to correct the issue. To solve any issue, you need to follow certain steps, and to solve OBD error code P0B6F, you will need to undergo the following replacements:


  • The first is to begin by performing a thorough investigation of all the electrical parts. All the electrical components that are as defective, burnt or disconnected as per the requirements. Then the system should be test driven and then reset. Also, if no open, defective or shorted wiring or loose connectors, then the exhaust gas temperature/pressure (or heated oxygen) sensor connector should be detached and then the exhaust gas temperature sensor should be detached too.
  • At the time when cooling is done, if the resistance level does not decrease with heat and increase as it cools, the sensor should be changed. Next, if everything turns out to be according to the requirements, the key should be turned to the "ON" position and the presence of a voltage (and a ground signal) should be tested at the exhaust gas temperature/pressure (or heated oxygen) sensor electrical connector
  • It is advised for you to use a revised OBD-II scanner (or code reader), a digital volt/ohmmeter, and an oscilloscope as it will be a great tool while performing a precise diagnosis
  • A broken or jammed PCM (or other related controller) should be suspected if the fuel shutoff switch and all system circuitry turns out to be working well.

Apart from the fuel injector, you might need to undergo few more replacements. You might need hybrid battery, hybrid battery pack, hybrid battery voltage sensor, battery cable, battery assembly, battery control module, powertrain control module, battery connection, exhaust leak, battery smart unit and many other parts. Where to get them from? Well, if you want quality parts, then we can prove to be your dream destination.

Easy Diagnosis Of Error OBD Code P0B6F

Thinking of where to start? How to diagnose the error code accurately? Well, then you should follow these steps in order to diagnose this fault code:


One should begin with a customary OBD-II trouble code scanner that should be employed to diagnose this trouble code P0B6F. This scanner should be used to verify and view the freeze frame data and assess the code by a qualified mechanic. The mechanic should also check for additional trouble codes stored too. After the repairs have been successfully performed, the codes should be cleared and the vehicle should be test driven to see if the code recurs. If the code vanish it could likely be due to a faulty diagnose or may represent an intermittent issue.


Common mistakes when diagnosing the P0B6F Code


Written here are a few common mistakes that should be avoided while diagnosing the error code P0B6F:


  • A malfunctioning high voltage battery connection
  • A damaged high voltage battery assembly
  • One can observe issues with the wiring

Other Diagnostic Codes Related To OBD Code P0B6F

P0B6D - Hybrid Battery Voltage Sense "K" Circuit

P0B6E - Hybrid Battery Voltage Sense "K" Circuit Range/Performance

P0B70 - Hybrid Battery Voltage Sense "K" Circuit High

P0B71 - Hybrid Battery Voltage Sense "K" Circuit Intermittent/Erratic