https://www.walmart.com/ip/NEXPOW-O...l-for-Check-Engine-Light-Black-Red/2513707894 NEXPOW OBD2 Car Code Reader Diagnostic Scanner Tool (V519) on sale for $24.99 - $1.25 extra savings on the product page - $15 with promo code VHQHMG9Z at checkout = $8.74. Shipping is free w/ Walmart+ or on orders of $35+.