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On-board diagnostic (OBD) codes help mechanics and vehicle owners pinpoint possible problems in a vehicle. But before you can resolve these issues, it’s important to know what these codes mean. 

Code P0675 is one of many trouble codes that can be logged and retrieved from the OBD system. Here is some helpful information that can help you understand what getting this code can mean for your vehicle. 

What Does the P0675 Code Mean?

Diagnostic trouble code (DTC) P0675 stands for “Cylinder 5 Glow Plug Circuit/Open.” This code is logged when the powertrain control module (PCM) detects that the glow plug for cylinder #5 is not working like it normally would. 

mechanic looking for specific car parts in the hood
P0675 code is logged when the powertrain control module (PCM) detects that the glow plug for cylinder #5 is not working like it normally would.

When the PCM detects that the engine is cold through various sensors, it sends out help in the form of glow plugs to assist the engine in starting. A glow plug is used to quickly heat the cylinder when attempting to start a cold engine. Once successful, this allows the engine to spontaneously ignite the fuel. 

When the PCM detects that there is something wrong with the glow plug circuit, particularly the one on cylinder #5, code P0675 will be logged. 

Depending on the severity of the problem, related error codes might also be stored with this DTC. Code P0675 is similar to error code P0674.

Note: The definition of code P0675 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.

What are the Common Causes of the P0675 Code?

  • Faulty glow plug
  • Glow plug wiring issues
  • Failed glow plug control module

What are the Common Symptoms of the P0675 Code?

How to Diagnose the P0675 Code

Different makes and models can set the trouble code P0675. But this does not mean that there is a one-size-fits-all approach to diagnosing its underlying cause. The steps for troubleshooting this error code will vary depending on your vehicle. 

Check out the video below to get an idea of what the diagnostic process for this code might entail:

How to Fix the P0675 Code

Code P0675 shares similar triggers and symptoms with other engine codes. However, the appropriate diagnostic and repair procedure will depend on the specifications of your vehicle. So if you’re unfamiliar with auto repair, it’s best to leave the job to a mechanic.

If you’re considering troubleshooting this code on your own, it’s a good idea to refresh your automotive knowledge before attempting any fixes. Consult a vehicle-specific repair manual or an online repair database to learn the appropriate diagnostic procedures for this code.

Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.

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