P0383- OBD Trouble Code

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The OBD code P0383 can be defined as Glow Plug Control Module Control Circuit Low.

This diagnostic fault code is a generic powertrain code, which means that it would apply to the OBD-II equipped vehicles. The specific repair steps can vary as it depends upon the vehicle make and model.

Want to learn something more about this fault code? The glow plug system which is found in the diesel vehicles would provide heat in order to start the car engine in the cold temperature. The coolant temperature as well as glow plug is monitored by the engine control module which would facilitate the heating of the plugs.

What causes this problem with the Glow Plug Control Module Control Circuit Low?

• Faults in the glow plug module or timer
• Quirky glow plug relay
• Loose, corroded, or shorted glow plug circuit electrical connectors
• The glow plug wiring harness might be opened or shorted
• The fuses might be blown
• Issue of loose, shorted, or open wiring in the glow plug heater circuit

1. Engine Control Module - There can be some issues with the Engine Control Module due to which you may see P0383 code appearing over and over again. Visit us to buy best quality Engine Control Module online.
2. Glow Plug - A lot of issues can arise do to defective Glow Plug. Did you just see P0383 code flashing? Now you know the reason why it is appearing. Get your glow plug harness inspected and replaced on time.
3. Battery Cable Replacement Terminal - Faulty Battery Cable Replacement Terminal can be the reason why P0383 code is flashing. Visit us to purchase top notch Battery Cable Replacement Terminal online.
4. Spark Plug - It is an important auto part which needs full care. Faulty ac delco spark plugs can be a reason behind the flashing up of P0383 code.
5. Engine Parts - OBD Code P0383 can appear because of faulty diesel engine parts. Purchase top notch engine parts from us online at economical prices.
6. Fuel Delivery System Parts - There can be some issues with the Fuel System Parts due to which you may see P0383 code appearing over and over again. Visit us to buy best quality Fuel System Parts online.

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 P0383 here:

Common Symptoms

• An issue of slow start
• White smoke can start coming from the exhaust when the vehicle does start
• Appearance of the check engine lamp
• The engine may seem far too loud
• The glow plug indicator lamp may stay on constantly

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 P0383:

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

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

• After an OBD-II scanner detects the P0383 code, a technician should inspect of all the wiring and electrical components related to the glow plug heater circuit. Any damaged elements should be repaired or replaced. They should then clear the code and perform a test drive, checking that the Check Engine light does not reappear. If the light does reappear, the mechanic should check individual glow plug connectors for the proper voltage and ground signals.
• As the mechanic moves through each potential repair to find the issue, they should be sure to clear the code from the PCM and retest the system after each step. This will ensure that the proper repair is performed, and that the issue will not reappear later.

Common Mistakes When Diagnosing The P0383 Code

• Many people make mistake of replacing the glow plug timers and glow plug relays when in reality they are perfectly find and the issue might be with some other car part
• It is essential to check wiring and commonly at fault parts before replacing anything, especially because the glow plugs themselves, or the electrical components, are most often to blame