AdvanceAutoParts.com lowers the price of this Actron PocketScan Plus Code Reader from $81.99 to $41. Use coupon code LC123 to drop the price to $25. If you've ever wondered how serious your car's "Check Engine" light was (can I make it to work today?), this tool helps diagnose possible symptoms and shows the urgency of taking the car to the repair shop. Shipping adds $8.66 or choose free in-store pickup, but even still this is $13 cheaper than we could find elsewhere. Sales tax applies in most places.