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P265C OBD Error Code: Problem & Solutions

OBD Code P265C - B Rocker Arm Actuator Position Sensor Circuit Low Bank 1

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Is P256C error code and check engine light flashing? Is your car showing poor engine performance? Experiencing few problems with your vehicle fuel consumption? Well it's high time you understand your vehicle better and obd error code P265C. It's the time to help your vehicle’s B rocker arm actuator position sensor circuit to be in its best condition again.

Learn More About OBD Error Code P265C

Ever wondered what this P265C code depicts? What is your vehicle trying to convey you? P265C error code is a generic OBD code that indicates that sensor inside the rock arm assembly is failed. In other words we can also say that there is some fault within the “B” rocker arm actuator position circuit bank 1 being low.


What causes this problem with the Rocker Arm Actuator Position Sensor Circuit Low bank 1?


  • Use of wrong engine oil or engine oil being low or overfilled
  • Inoperative “B” rocker arm actuator sensor
  • Rocker arm actuator sensor harnesses being open or shorted
  • Poor electrical connections within the “B” rocker arm actuator sensor circuit

Replace/Repair These Parts To Fix OBD Code P265C

  1. Engine Control Module - Car’s ECM performs various important functions that help your vehicle to run smoothly. It is the computer of your vehicle, don’t delay repair if the P265C code is flashing. If needed replace with PartsAvatar order from the comfort of your home, and have it delivered right to your doorstep.
  2. Powertrain Control Module - As we all know that car’s pcm is the brain of your engine management system, all codes can be set due to an issue with the PCM. Hence if you’re finding any issues in it, repair or replace. You can find superior quality PCMs at PartsAvatar Canada. Order online and receive it within a matter of days
  3. Electronic Control Unit - Looking for electronic control unit to correct this issue? Then we can be your dream destination. We have stocked best priced car ECU’s for every make and model on the Canadian roads.
  4. Diagnostic Tools - Faulty or inaccurate diagnostic tools won’t help you diagnose P265C code. Find the perfect one to diagnose this code today from PartsAvatar.
  5. Rocker Arm - Rocker arms that are damaged can cause the variable valve timing to get disturb, thus causing affected engine performance. So, what are you waiting for? Replace the faulty ones today with us at PartsAvatar.

Symptoms Of OBD Error Code P265C

It is essential 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 P265C here:


Common symptoms


  • Falling fuel economy
  • Falling engine performance
  • Illumination of check engine light

How To Correct P265C B Rocker Arm Actuator Position Sensor Circuit Low Bank 1

Want to correct the Trouble Code P265C? Read these points mentioned below:


  • Repair or replace the faulty rocker arm actuator position sensor
  • Repair or replace the open or shorted harnesses
  • Make sure to fix the poor electrical connection
  • Also, make sure that you are using the right type of engine oil

Parts Avatar Canada is here to solve all your issues related to car parts. We have stocked a wide range of best priced pcm, rocker arm, overfilling engine oil, position sensors, digital voltage and a lot more to help you out in fixing your car.

Easy Diagnosis Of Engine Error OBD Code P265C

In order to be that DIY guy and to be able to diagnose your vehicle’s problem yourself you will need to keep in mind the following precautions


  • Start by carefully examining the crankshaft and camshaft positions using electromagnetic sensors.
  • Begin a proper diagnosis by making sure that all engine timing indicators are properly aligned. Check the test belt or chain deflection using manufacturer’s specifications.
  • Next, test the VVT or VCT solenoids and circuitry if timing components prove to be properly aligned and in good working order.
  • Check and replace faulty electrical wiring and connectors as they are more prone to fail than sensors, especially where oil or other corrosive fluids are present.
  • Make use of an OBD-II scanner (or code reader), a digital volt/ohmmeter, and an oscilloscope to diagnose this error.
  • Repair or replace damaged, disconnected, shorted, or corroded wiring, connectors, and components as necessary. Always retest the system after repairs are completed to ensure success.
  • If all system wiring, connectors, and components (Including fuses) appear to be in normal working order, connect the scanner (or code reader) to the diagnostic connector and record all stored codes and freeze frame data. Inspect the PCM for any errors and reprogram it, if necessary.

Common Mistakes When Diagnosing the P265C Code


If you wish to diagnose this OBD error code P265C on you own, make sure you avoid misdiagnosis of any sort by taking care of the following failures:


  • Malfunctioning powertrain control module
  • Failing variable valve lift controller
  • Issues with the system wirings

Other Diagnostic Codes Related To OBD Code P265C

P265A - B Rocker Arm Actuator Position Sensor Circuit Bank 1

P265B - B Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1

P265D - B Rocker Arm Actuator Position Sensor Circuit High Bank 1

P265E - B Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1