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The AutoLink® AL539b OBDII & Electrical Test Tool supports all 10 modes of OBD II test for a complete diagnosis. 1x AL539B Main unit. It eliminates drive cycle guesswork by notifying the driver with color codes LEDs, audible tone and dynamic all-in-one I/M readiness status.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.