If you want to scan cars built before 1996, then you’ll need an OBD1 compliant scanner. OBD2 scanners are tools that tap into this system to give diagnostic information to the user. OBD2 is the latest iteration of this system and has been required by law for all cars manufactured in the US since 1996. OBD stands for “On-Board Diagnostics” and is a system that is built into all modern vehicles. OBD2 fault codes can indicate issues with the transmission, engine, fuel system, and much more. What Is An OBD2 Code?Īn OBD2 code is a string of letters and numbers that’s produced by a vehicle’s computer when it detects a problem within its systems.
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We’ll also explain how to use our helpful car code chart to work out exactly what your error alerts mean.
In this guide, you’ll find out all you need to know about diagnostic error codes and how to accurately scan for them. Aside from reading trouble codes, an OBD2 scanner can turn off check engine and oil lights, display real-time vehicle data and sometimes even recode some vehicle functions. Using an OBD2 scanner, users can view these codes and understand any problems with their car.Īn OBD2 (or OBDII) scanner is a powerful car diagnostic tool that is widely used in professional auto repair shops. Error (or trouble) codes are alerts sent out by a car’s OBD2 system to indicate automotive issues via a check engine light or another alert like an issue with your antilock braking system (ABS). Knowing how to accurately read OBD2 error codes is an extremely useful skill for any mechanic or DIY enthusiast.
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