Feedback

Error Code P247B: What It Means & What To Do?

OBD Code P247B - Exhaust Gas Temperature Out of Range Bank 1 Sensor 4

<<See All OBD Codes

Wondering what is this OBD error code P247B has to do with these conditions? This OBD error code P247B is a diagnostic trouble code that applies to OBD-II equipped vehicles such as Toyota, Volkswagen, Ford, Dodge, Hyundai, Audi, Nissan and more. The steps to repair these issue might be different to certain extent depending upon your vehicle model. To understand your vehicle better lets have deeper knowledge of this issue.

Learn More About OBD Error Code P247B

P247B OBD error code relates to your vehicle’s exhaust gas temperature sensor. Your vehicle’s Powertrain Control Module (PCM) will set this error code when it detects that EGT sensor for the Bank 1 and Sensor 4 is not within the required range or factory specifications. If you want to correct this issue with your vehicle, you will need to understand few of its common causes first.


What causes this problem with the Exhaust Gas Temperature Out of Range Bank 1 Sensor 4?


  • Bad exhaust gas temperature bank 1 sensor 4
  • Open or shorted sensor harnesses
  • Poor EGT sensor bank 1 sensor 4 electrical connections
  • Leaking exhaust
  • Sensor 4 having particulate matter buildup

Replace/Repair These Parts To Fix Code P247B

  1. Powertrain Control Module - A faulty Power Control Module (PCM) can become irregular to an extent that your car will fail to start or will begin to stall while running. You will notice that exhaust fumes are shorted while the car is running and emissions system control indicators are decreasing. So having a PCM that isn’t working properly is not a good idea, you need to have it replaced right away to resolve the obd error code P247B.
  2. Exhaust Gas Temperature Sensor - EGT sensor damaged? Do you know what it means? Well, this means that you won’t be able to get a warning for potential engine damage. Don’t let that happen and replace the faulty ones now.
  3. Diesel Particulate Filter - Keep your diesel particulate filters and all the related parts in best of its shape for filtering the harmful carbon particulates produced in the combustion. Get rid of this error code P247B by replacing the faulty DPF filters and parts.
  4. Engine Control Module - Your car’s ecm performs various important functions that help your vehicle to run smoothly. It is the computer of your vehicle, don’t delay it’s repair if the P247B code is flashing. If needed replace with PartsAvatar order from the comfort of your home, and have it delivered right to your doorstep.
  5. Engine Control Unit - If you are experiencing fall in fuel efficiency and engine performance, then you might have developed a faulty ECU. Do not think twice and replace the faulty ones now.

Symptoms Of The OBD Error Code P247B

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P02BC code by mentioning some major symptoms below:

Common Symptoms

  • Engine stalling or no start condition
  • Engine overheating
  • Fall in fuel efficiency
  • Fall in engine performance
  • Illumination of the check engine light

How To Correct P247B Exhaust Gas Temperature Out of Range Bank 1 Sensor 4

Have a look at some ways with which you can correct the P247B code:


  • Begin with fixing or replacing the damaged exhaust gas temperature sensor
  • Undergo blown out fuses replacement
  • Also make sure that connectors must be cleaned for any corrosion
  • Next, Faulty wirings must be repaired or replaced
  • Carbon buildup from the connector must be removed
  • Fix the exhaust leak
  • Repair the faulty car’s ECU


Parts Avatar Canada is here to solve all your issues related to car parts. We have stocked a wide range of best priced Powertrain Control Module, PCM, Exhaust Gas Temperature Sensor, Diesel Particulate Filter, Engine Control Module, ECU and a lot more to help you out in fixing your car.

Easy Diagnosis Of Engine Error OBD Code P247B

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P247B code to be stored:

  • Begin your diagnosis of OBD error code P247B, you will need to look for the technical service bulletins, also known as the TSB’s specific to your vehicle make model and year. Believe us this will save you a lot of time and will guide you in the right direction.
  • Now, find and locate all the parts within the exhaust gas temperature circuit and undergo a complete visual inspection to make sure there are no defects such as scraping, rubbing, bare wires or burn spots.
  • After this you will need to inspect all the related connectors for any corrosion or defective pins. For those who don’t know this already, the exhaust gas temperature sensor is generally a 2-wire sensor located in your vehicle’s exhaust down pipe.
  • Lastly, remove the exhaust gas temperature and check for any carbon buildup. Also, check for any fuel injector or exhaust leakage.

Common Mistakes When Diagnosing The P247B Code

If you are going to diagnose your vehicle for OBD error code P247B, then make sure that you avoid the following errors

  • Problematic EGT sensor
  • Bad powertrain control module (PCM)
  • Poor wiring

Other Diagnostic Codes Related To OBD Code P247B

P2478 - Exhaust Gas Temperature Out of Range Bank 1 Sensor 1

P2479 - Exhaust Gas Temperature Out of Range Bank 1 Sensor 2

P247A - Exhaust Gas Temperature Out of Range Bank 1 Sensor 3