Your vehicle's on-board diagnostic system stores trouble codes when it detects issues to make diagnosing problems easier. Learn what these codes mean.

Use an OBD 2 scanner, readily available at AutoZone, or consult your vehicle’s manual to determine if it has a built-in diagnostic tool. Read the codes. Once connected, the scanner will …

Knowing how to read OBD 2 codes is a valuable tool for proactive vehicle maintenance. Regularly scanning for codes can help you catch and address issues before they worsen, potentially …

Code readers help to diagnose issues by accessing your car's on-board diagnostic system (OBD), a system which logs error codes based on the readings from your vehicle's engine sensors. …

An OBD2 scanner is a handheld device or an app that connects to your vehicle's OBD II (on-board diagnostics) system to read and interpret trouble codes. With the right scan tool, you …

What does the code P0700 mean? It is often seen with shift solenoid issues or other transmission codes. The most likely reason the code appears is that the TCM detects a problem in the …

On-Board Diagnostics (OBD) is a system that monitors a car’s computer system and reports diagnostic trouble codes. Devices like an OBD-II code reader can read diagnostic trouble …

Wondering why the check engine light is on and what is has to do with code P0456? Your vehicle has a complex evaporative emissions system to prevent fuel vapors from leaking into your …

Any large leak in your evaporative emission control system, or EVAP system, can signal trouble code P0455. You may be wondering, how do I fix trouble code P0455? Learn more about this …

An OBD2 scanner is useful for diagnosing potential problems your with car. Learn how to use it and understand the codes with AutoZone.