When you’re responsible for passenger transport, reliability and safety are everything. A bus that breaks down doesn’t just disrupt schedules — it impacts customers, reputations, and compliance. That’s where Kearney Group Diagnostics (KGD) comes in. Our Bus Diagnostic Services are designed to keep public service and private hire vehicles running safely, efficiently, and legally — day after day, journey after journey.
What Are Bus Diagnostics?
Modern buses are complex machines fitted with advanced electronic control systems. These systems monitor thousands of functions — from engine performance and fuel delivery to braking systems and passenger safety features.
Our bus diagnostic service uses advanced diagnostic equipment to connect to your bus’s onboard computer and identify hidden or potential faults. We interpret these fault codes and system readings to find out exactly what’s wrong, long before a breakdown or service failure occurs.
Why Bus Diagnostics Are So Important
When you’re carrying passengers, safety and reliability come first. A single undiagnosed fault could lead to unexpected downtime or, worse, safety risks on the road.
Regular diagnostics aren’t just about fixing issues — they’re about preventing them. Here’s why every bus operator should schedule diagnostics regularly:
- 🛡️ Passenger Safety – Detect and correct potential faults in braking, steering, and suspension systems.
- ⏰ Minimise Downtime – Avoid unexpected breakdowns that interrupt routes or services.
- 💸 Save on Repair Costs – Identify small issues early before they cause major mechanical damage.
- ⚙️ Maintain Peak Performance – Keep engines running efficiently to reduce fuel consumption.
- 📋 Stay Compliant – Meet DVSA and MOT safety and emissions standards with confidence.
What’s Checked During a Bus Diagnostic?
At Kearney Group Diagnostics, we perform an extensive check using industry-standard tools compatible with major bus manufacturers. We assess:
- Engine and transmission management
- Braking and ABS systems
- Air suspension and steering controls
- Emission and AdBlue systems
- Electrical and safety components
- ECU communication and system faults
We don’t just read fault codes — we analyse data trends to spot early warning signs that might not yet trigger a dashboard alert. After testing, you’ll receive a full diagnostic report, either printed or sent digitally, detailing any detected faults and our expert recommendations.
Why Choose Kearney Group Diagnostics?
We know the importance of keeping buses operational. Whether you run a private coach service, a school transport fleet, or a local transit company, downtime costs more than just money — it costs trust.
At KGD, we combine cutting-edge diagnostic technology with real-world experience and honest communication. Our technicians are specialists in heavy-duty systems and safety-critical components, ensuring precision and reliability every time.
We pride ourselves on fast turnaround times, transparent pricing, and friendly, professional service — because we know you’ve got places to be and passengers to serve.
More Than Just Diagnostics
Our expertise goes beyond diagnostics. Through our online shop, you can browse automotive accessories, CarPlay systems, and essential bus components, all with the option to book fitting appointments directly online.
We also offer pre-MOT checks and business fleet support, ensuring your vehicles are compliant and road-ready all year round.
Our Legacy: Inspired by Catherine Kearney
At the heart of Kearney Group Diagnostics is a story of dedication and care. The company was founded in memory of Catherine Kearney, whose name represents integrity, compassion, and excellence. Her legacy continues to guide everything we do — from our customer care to the precision of every diagnostic report.
Catherine’s influence reminds us that every vehicle we inspect isn’t just a machine — it’s part of someone’s livelihood, business, or community. That’s why we treat every job with genuine care and respect.
Fleet and Business Solutions
For transport operators and fleet managers, we provide customised maintenance and diagnostic programs. Our Business Fleet Division can handle multiple vehicles with scheduled checks, on-site diagnostics, and support to minimise downtime and keep your entire fleet roadworthy.
When Should You Book a Bus Diagnostic?
It’s time to schedule a diagnostic check if you notice:
- Warning lights or dashboard alerts
- Reduced performance or increased fuel use
- Strange noises, vibrations, or brake issues
- AdBlue or emission system warnings
- Air suspension irregularities
Even if no warning lights are present, routine diagnostics are vital to keep passengers safe and services reliable.
Keep Your Buses Road-Ready with Kearney Group Diagnostics
Passenger safety, reliability, and peace of mind — that’s what we deliver at KGD.
✅ Book your bus diagnostic today at Click Here
📞 Or call us on 08000 096165
