![]() ![]() The first number after the letter will tell you if the diagnostic trouble code is generic (0) or manufacturer-specific (1).Now let’s understand what the set of numbers imply in a fault code: U (Undefined): Highlights issues that don’t fall under the P, B, and C categories.C (Chassis): Implies issues with axles, brake fluid, and anti-lock braking system.B (Body): Indicate issues with airbags, power steering, and seatbelts.P (Powertrain): Indicates issues with the engine, transmission, ignition, emissions, and fuel system.The letter in the diagnostic trouble code can be: With the OBD codes displayed, it’s time for you to interpret them.Įvery trouble code begins with a letter followed by a set of four digits. Step 5: Identify And Understand The OBD Codes Some will reveal only a problematic diagnostic trouble code, while others let you choose which OBD2 code you want to see. ![]() ![]() Note: The car code reader or scanner display varies depending on your scanner type. Remember, a reoccurring pending code can become an active code if the same issue keeps popping up. Select a system so the scanner can show every active and pending code.Īn active code triggers the check engine light, while a pending code indicates the failure of an emission control system. Now go to the code scanner menu screen, where you can pick between the different car systems. Step 4: Access The Scanner Menu For OBD Codes Other places include under the hood next to the latch and at the front end of the vehicle frame. If the scanner requests it, you can find the VIN on a sticker normally in the lower corner of the windshield on the driver’s side. The code scanner may also request other details like your engine and model type. Depending on your scanner, you’ll have to enter the VIN before it can generate any OBD2 code. Your car has a Vehicle Identification Number (VIN). Step 3: Enter The Information Requested On The Scanner Screen Confirm the connection to your OBD2 system by checking for a message on your OBD II scanner. This step is important because following the wrong method can damage the scan tool app.įollowing the correct instruction allows your scanner to communicate with the car’s computer. Next, check the scanner instructions on whether you should keep the car in ON or idle mode after connecting to the DLC. If you own a Bluetooth OBD2 scanner, directly insert the scanner into the OBD II port. Plug the end of the OBD2 scan tool into the Diagnostic Link Connector with an OBD2 connector cable. Step 2: Connect Your OBD2 Code Reader Or Scanner To The DLCĪfter locating the DLC, make sure your car is turned off. In case you can’t find the OBD2 port, you can always check your owner’s manual. This is a 16-pin connector located on the left side of the driver’s dashboard underneath the steering column, usually covered with a door or flap. If your car was manufactured after 1996, it features a Diagnostic Link Connector (DLC) or OBD2 port. Step 1: Locate The Diagnostic Link Connector ![]() Step 6: Move On To Trouble Code Diagnosis.Step 5: Identify And Understand the OBD Codes.Step 4: Access The Scanner Menu For OBD Codes.Step 3: Enter The Information Requested On The Scanner Screen.Step 2: Connect Your OBD2 Code Reader Or Scanner To The DLC.Step 1: Locate The Diagnostic Link Connector.Using an OBD2 car diagnostic scanner is simple and straightforward. Hh obd advanced bluetooth software how to#How To Use An OBD2 Scanner ? (Step-By-Step)
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