Both can read car codes, but which is best for which situation?
Bothcode readersandscan toolsinterface with a car’s on-board computer or diagnostic system to identify or troubleshoot problems.
Overall Findings
Read, display, and clear car trouble codes.
Reset the check engine light.
Read pending, generic, and manufacturer-specific codes.
Provide troubleshooting information, tips, and trouble code definitions.
Record and play back live data.
Graph data or access specific parameter IDs (PIDs).
More advanced scan tools include diagnostic equipment like scopes and multimeters.
If budget is your priority, take your codes to an auto parts store or shop.
Many check and clear codes free of charge.
Code Readers Pros and Cons
Wide price range makes for wide ranges of features and options.
Very affordablemany available for around $20.
Not as advanced, accurate, or helpful as scan tools.
No two code readers are the same.
Some include advanced data reading and playback features, knowledge bases, diagnostic instructions, and built-in testing equipment.
Very expensivesome cost several thousand dollars.
Scan tools typically offer a suite of features depending on budget and intended use.
Low-end, consumer-grade scan tools provide code definitions and basic troubleshooting tips.
Here are some of the things a scan tool can do:
Another option to consider is anELM327scan tool.
These devices perform the duties of a basic code reader or an advanced scan tool.
This way, you’ll have the knowledge base without making a big dent in your budget.
