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P0382 - OBD Trouble Code

OBD Code P0382 - Glow Plug/Heater Circuit "B" Malfunction

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It is the powertrain control module which stores the P0382 trouble code which means that the glow plug from the diesel engine has started malfunctioning. This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another.


This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code

Learn More About OBD Error Code P0382

The OBD code P0382 can be defined as Glow Plug / Heater Circuit "B" Malfunction.

 

There are some vehicles where the powertrain control module will keep the glow plugs going after the car engine has been started. The car manufacturers elect for this option when they want to reduce the noises coming from the car engine or the production of white noise. This code is stored by the PCM because it has detected an issue with the glow plug heater circuit B which is keeping it from working efficiently.

 

What causes this problem with the Glow Plug / Heater Circuit "B" Malfunction?

 

  • There can be an open fuse
  • Quirks in the glow plug
  • The glow plug relay might not work correctly
  • There can be an opened, damaged, short to ground glow plug wiring

Replace/Repair These Parts To Fix OBD Code P0382

  1. Engine Control Module - OBD Code P0382 can appear because of faulty Engine Control Module. Visit us to purchase top notch ECM online.
  2. Glow Plug - Everything is fine with Glow Plug and still P0382 code triggering? Then you must get your glow plug harness checked.
  3. Spark Plug - Are there some faults in your Spark Plug? Don’t waste time and get ac delco spark plugs replaced or else P0382 code can turn up.
  4. Engine Parts - Do you remember when was the last time you got your car Engine Parts cleaned up? Defected diesel engine parts can cause a lot of issues like displaying P0382 code.
  5. Fuel Delivery System Parts - There can be some issues with the Fuel System Parts due to which you may see P0382 code appearing over and over again. Visit us to buy best quality Fuel System Parts online.
  6. Battery Cable Replacement Terminal - A lot of issues can arise do to defective Battery Cable Replacement Terminal. Did you just see P0382 code flashing? Now you know the reason why it is appearing. Get it inspected and replaced on time.

Symptoms Of OBD Error Code P0382

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0382 code by mentioning some major symptoms below:

 

Common Symptoms

 

  • Illumination in the check engine light
  • A lot of white exhaust smoke upon start-up
  • There can be excessive noise
  • Failure to start
  • There can be a glow plug indicator lamp which stays on or remains illuminated too long

How To Correct P0382 Glow Plug/Heater Circuit "B" Malfunction

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P0382:

 

  • Repairing loose, shorted, or open wiring in the glow plug heater circuit
  • Repairing an open or shorted glow plug harness
  • Replace the blown fuses
  • Carefully repair or replace the faulty glow plug
  • The damaged faulty glow plug relay should be replaced
  • Carefully repair or replace the bad glow plug module or timer
  • You can always repair loose, corroded, or shorted glow plug circuit electrical connectors

There is no need to get strained if your OBD Code is still flashing up as we are here at your service. Have a look at our superior variety of malfunction indicator light, diesel glow plugs, glow plug light and many more. Now all your problems would vanish within no time.

Easy Diagnosis Of Engine Error OBD Code P0382

Here are some steps which you should follow in order to diagnose this fault code:

 

  • An OBD-II scanner should be utilized to find out all the codes that have been stored by the vehicle’s PCM
  • Try starting the vehicle to see if it’s difficult and/or if they can reproduce the problem
  • Carefully inspect all fuses to see if any are blown
  • You can always test the relay for the glow plug

Common Mistakes When Diagnosing The P0382 Code

 

  • It is true that there can be some issues in the glow plug due to which P0382 fault code is triggering, but it doesn’t mean that we should not check other important car parts
  • A common mistake of directly replacing the glow plug without actually finding the potential problem can be made by a lot of people

Other Diagnostic Codes Related To OBD Code P0382

P0380 - Glow Plug/Heater Circuit "A"

P0381 - Glow Plug/Heater Indicator Circuit Malfunction