How much does a code reader cost?

The price can start as low as $30 for the most basic of entry-level OBD scanners and up to more than $100 for more feature-oriented models, that allow the owner or mechanic to perform maintenance in a much more convenient manner.

How do I get OBD2 codes?

1. How to read OBD codes: Preparation.
2. Step 1: Plug the OBD scanner into the OBD port.
3. Step 2: Turn on the ignition.
4. Step 3: Enter the Vehicle Identification Number.
5. Step 4: Find OBD codes in the menu.
6. Step 5: Interpret the first character of the OBD code.
7. Step 6: Interpret the second character of the OBD code.

Are OBD II codes universal?

OBD scanners are universal and will read generic fault codes. Some vehicles however use both generic and manufacturer specific fault codes. Many of the manufacturer specific codes may not be read by a basic universal type OBD scanner.

What is the best OBD II scan tool?

#1 Best Overall: Launch CRP129E Scan Tool. #2 Best Bluetooth Scanner: BlueDriver Bluetooth Pro OBDII Scan Tool. #3 Best Budget Scanner: Foxwell NT301 OBD2 Scanner. #4 Autel MaxiCOM MK808 Scanner.

What are the OBD codes?

The On-Board scanner is a pair of systems with no exceptions. These systems are known to use codes referred to as On-Board diagnostic codes (OBD) which is a combination of Codes to get precise and brief you on the state of the car engine fault status.

What does an OBD2 scanner actually do?

An OBD-II scanner stands for Onboard Diagnostic II . It is a standardized system onboard car computers use for self-diagnostics and reporting. In other words, it is a standard “language” cars use to tell mechanics and owners what is wrong with them.

How do you read OBDII Codes?

Part 1 of 2: Getting the Codes Obtain an OBD-II scan tool. You can find OBD-II scan readers at many online and auto-parts stores. Locate the Diagnostic Link Connector (DLC) in your vehicle. This is a somewhat triangular shaped 16-pin connector that is commonly located underneath the left hand side of the dash Insert the scan tool connector or code reader into the DLC.

What is OBD trouble codes?

The diagnostic trouble code is the code your OBD generates to tell you something is wrong. Reading as a series of five letters and numbers, the DTC allows you to home in on the system that is not functioning properly. For example, if your vehicle’s OBD detects a leak in the evaporative emission system, you may see a P0442 code.