DIY Dodge Repairs and Maintenance

How To Decipher Dodge Challenger Check Engine Light Codes? (2023)

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Dodge Challenger Check Engine Light Codes should be deciphered by reading the Light Codes. A Dodge Challenger Check Engine Light Code P0491 is an example of a Dodge Challenger Engine Diagnostic Trouble Code (DTC) that includes “P04” as the second hexadecimal character. The letter “D” describes the category of code P0491. This is followed by a collection of digits specfifying the actual fault(s) detected by the vehicle’s On-Board Diagnostic System (OBD-II). The DTC P0491 is a generic code that can mean several different things. The engine can be running lean, rich or the air/fuel mixture may be incorrect.

What Are The Dodge Challenger Check Engine Light Codes Meaning?

The Dodge Challenger check engine light codes can indicate a variety of issues with the vehicle. Here is a list of some common codes and their meanings:

  • P0456: This code indicates a small leak in the evaporative emission control system.
  • P0128: This code indicates a problem with the engine coolant temperature sensor or the thermostat.
  • P0171: This code indicates a lean fuel condition, which could be caused by a faulty fuel pump, fuel filter, or oxygen sensor.
Dodge Challenger Check Engine Light
How To Decipher Dodge Challenger Check Engine Light Codes? (2023) 7
  • P0300: This code indicates a misfire in the engine. This could be caused by a faulty spark plug, ignition coil, or fuel injector.
  • P0420: This code indicates a problem with the catalytic converter.
  • P0562: This code indicates a problem with the battery or the charging system.
  • P0700: This code indicates a problem with the transmission control system.

Keep in mind that these are just a few examples of check engine light codes that may be triggered on a Dodge Challenger. There are many other codes that could indicate different issues with the vehicle. To properly diagnose the issue and determine the necessary repairs, it’s best to have the codes read by a mechanic using a diagnostic scanner.

Dodge Challenger Check Engine Light
How To Decipher Dodge Challenger Check Engine Light Codes? (2023) 8

How many groups are Dodge Challenger Check Engine Light Codes divided into?

The Dodge Challenger Check Engine Light Codes are a series of hexadecimal numbers that appear when the car’s computer detects a fault. The codes are divided into two sections: The first group of codes are a series of three digits that indicate the type of problem. These are generic codes and may not be specific to your vehicle. The first set of codes are called generic OBD-II codes. These are codes that indicate a problem but don’t provide specific information about the problem or its cause.

Dodge Challenger Check Engine Light
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The second set of numbers, which can range from two to five digits long, are specific to your vehicle’s make and model. They specify exactly what’s wrong with your car. The second set of codes are specific to your vehicle, and they usually consist of two to five numbers. These are called manufacturer-specific codes. If you’re not sure what type of code your car is giving you, it’s important to find out. It will help determine whether the problem is something simple like a loose connection or something more serious like an engine malfunction.

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