Diagnostic Checks in Testec Automotive & EV

Fast, Accurate Fault-Finding for All Vehicle Types

When a warning light appears on your dashboard, it’s your car’s way of asking for help. We use advanced diagnostics tools and nearly 30 years of hands-on experience to find and fix issues quickly — without guesswork or unnecessary repairs.

Whether you drive a petrol, diesel, hybrid or electric vehicle, we offer precise fault diagnosis from our fully equipped garage. Book your diagnostic check in Crawley today!

What We Diagnose

Modern vehicles rely on complex systems and sensors — and we’re trained to work with all of them. Our diagnostic service covers:

• Engine Management Systems
• ABS, Traction Control and Brake Systems
• Hybrid and EV Powertrains
• Battery and Charging Systems
• Airbag and Safety Systems
• Emissions and DPF Issues
• Transmission and Gearbox Faults
• Steering, Suspension and Tyre Pressure Sensors
• Air Conditioning and Climate Control Faults
• AdBlue and EGR System Warnings If your car has a fault, we will find it — and explain it clearly, without technical jargon.

Electric and Hybrid Diagnostics

EV and hybrid vehicles require specialised knowledge. Our technicians have been working on electric vehicles for over 9 years and understand the unique systems and software involved. We provide:

• High-voltage system checks
• Battery health assessments
• Regenerative braking system diagnostics
• EV-specific fault code reading and repairs
• Charging and inverter system troubleshooting

What You Can Expect from Our Diagnostic Check

• Accurate fault diagnosis using advanced diagnostic tools
• Clear explanation of issues and options — no upselling or pressure
• Quick turnaround to get you back on the road
• Access to high-quality parts and trusted repairs if needed If a simple reset is all that’s required, we’ll tell you — and if something more serious is going on, we’ll guide you through your options.

Why Choose Us for Your Diagnostic Check in Crawley?

• Factory-Trained Technicians with 30 Years of Experience
• EV and Hybrid Specialists
• Transparent Pricing and Honest Advice
• Trusted by Drivers Across Crawley and East Grinstead
• Fully Equipped Diagnostic Workshop

Book a Diagnostic Check in Crawley Today

If your warning light is on, don’t ignore it. Early diagnosis can save you money, prevent further damage and keep your car safe to drive. Call us today and book your diagnostic check in Crawley — and let us get to the bottom of the problem.