Turn off Check Engine light, read and erase trouble codes, display real-time parameters, check emissions readiness, and much more.
Part number: 4301$139.95
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 OBDwiz diagnostic software.
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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.