Buying a used car?
Remember that the check engine light can be cleared, masking potential problems.
Use RoN to verify that the majority of monitors have been completed by the engine ECU.

The Ready-or-Not is a multi-protocol scan tool and readiness test tool in one!
This compact and versatile device is not only a fully functional scan tool but also quickly determines when an OBDII-compliant vehicle is ready for emissions testing.

The Ready-or-Not supports all OBD-II protocols, features automatic protocol detection and ships with the advanced diagnostic software ScanXL.

ScanXL is an advanced diagnostic software package for use exclusively with the ElmScan 5 series of OBD-II compliant scan tools.
This feature-packed software will meet the needs of the professional mechanic and automotive enthusiast alike.

Why buy ScanTool.net products?
The short answer is, you get the most value for your money.

When you buy scan tools from ScanTool.net, you get:

Fast, inexpensive shipping. Most orders are shipped same day from our facility in Phoenix, Arizona.
Risk-free, hassle-free 30-day unconditional money back guarantee.
Best warranty in the industry: 12-month material and labor warranty. If it fails, we will promptly repair or replace it free of charge.
Best customer service.If you have a question, you can call us and talk to a live person.
Free, unlimited technical support.
Highest quality. We ensure it by: Continuously improving the design of our scan tools. Using only genuine, high quality components. Thorough, multi-phase testing.
Compatibility with the widest range of vehicles.

To receive free shipping: Select Standard United States Shipping.