Are Car Code Readers Worth It?

If you are the car or light truck owner. You may have experienced the check engine light comes on while you are driving. If you have a code reader in your glove box, it would be very useful.

A code reader is definitely worth it because when the check engine light is on. You be able to know what is the check engine light code is by plugging into the diagnostic connector link. The car code reader is from $37 to $60. It is a small investment, and it is very useful. You can get the car code readers at auto parts store across the nation if you are in the US.

If you have the code reader it will give you an idea that your vehicle is driveable or not. It will give you some clue as to what might be wrong.

What is DLC (Diagnostic Link Connector)?

This connector is compliant with OBD II scan tool with Powertrain Control Module (PCM) allowing access to read check engine light codes and live data streams. The diagnostic link connector (DLC) is located at the under the kick panel on the driver side. The rule of thumb for finding DLC is that no more than 24 inches away from the driver side. Most of the time the DLC on OBD II vehicles has 16 pins diagnostic connector.

How to Use Code Reader

  • Step 1. Plug in the car code reader to DLC (Diagnostic Link Connector).
  • Step 2. With ignition key turns to accessories position with engine is not running, most prefer to KOEO (Key On Engine Off).
  • Step 3. Let the car code reader gathers the code and will display the code.
  • Step 4. With the code on screen of your car code reader. Take out your phone and go online search system and type your code in the search bar.
  • Step 5. You will read your search results to see it safe to drive or not. Or considering calling the tow truck.


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