Vehicle Diagnosis

Vehicle diagnosis is the process of identifying faults and performance issues within HGVs and commercial vehicles using specialist diagnostic equipment and expert mechanical knowledge. Modern vehicles rely on complex electronic and mechanical systems, meaning accurate diagnosis is essential to pinpoint issues quickly and avoid unnecessary repairs or downtime.

Sibbald Mechanical Services Ltd provides comprehensive vehicle diagnostic services, assessing engine management systems, braking systems, electrical components and fault codes to accurately identify the root cause of problems. By diagnosing issues early and correctly, we help operators reduce repair costs, improve reliability and keep vehicles safe and compliant.

Why Choose Sibbald Mechanical Services Ltd

Sibbald Mechanical Services Ltd is a trusted, family-run business with a reputation for honest advice and dependable service. Our experienced engineers combine advanced diagnostic tools with decades of hands-on experience working on HGVs and commercial vehicles.

We take a friendly, transparent approach — clearly explaining findings, outlining available options and providing fair, straightforward pricing. Customers choose Sibbald for our accuracy, integrity and commitment to resolving faults efficiently, keeping fleets on the road with minimal disruption.