ECU Programming & Advanced Vehicle Diagnostics. The Garuda II J2534 Pass-Thru Diagnostic Tool is a professional-grade automotive diagnostic interface designed for Mahindra, TATA, and Force Motors vehicles. Built on the J2534 protocol, it enables advanced diagnostics, ECU programming, and real-time vehicle analysis using authorized software platforms. Whether you run a workshop, service center, or fleet operation, Garuda II gives you complete control over vehicle diagnostics and programming.