Precision Diagnostics for All Vehicle Systems

When your dashboard warning light comes on or your car isn’t running right, Tuffy’s advanced vehicle diagnostics can quickly identify the root cause. Our ASE-certified technicians use cutting-edge scan tools and software to read trouble codes, analyze sensor data, and perform comprehensive system checks. We diagnose issues with engines, transmissions, electrical systems, and more—covering all makes and models, including hybrids and trucks. Accurate diagnostics mean faster, more effective repairs, so you can get back to driving confidently around Walled Lake.

Our diagnostic process starts with a detailed courtesy inspection, followed by targeted tests of your vehicle’s most important components. We check engine performance, scan for transmission faults, and evaluate battery and charging systems. Tuffy’s technicians explain findings in plain language and provide clear repair recommendations, so you’re never left guessing. Reliable diagnostics help prevent unnecessary repairs and reduce downtime, saving you money and frustration.

Tuffy’s diagnostic services are backed by our nationwide warranty and free roadside assistance, giving you complete confidence in every repair. With flexible hours, easy scheduling, and a customer-friendly waiting area, we make it simple to address vehicle issues before they become major problems. Trust Tuffy to deliver honest, thorough diagnostics and keep your vehicle performing its best in Walled Lake.

Our Automotive Services

Expert Repairs, Maintenance, and Diagnostics

Pinpoint Problems with Expert Technology

Benefit from advanced tools, clear explanations, and warranty-backed service every visit.

Where to find us