Jaguar & Land Rover Diagnostics
Multiple warnings at once are common on JLR vehicles, and they often share one root cause. Methodical diagnosis with dealer-level equipment gets to it.
We diagnose Jaguar and Land Rover electrical, engine, air suspension and emissions faults.
Common signs
Symptoms worth checking
- Multiple warning messages
- Intermittent electrical faults
- Air suspension faults
- DPF or AdBlue warnings
- Infotainment and module issues
Finding the common cause
Low battery voltage, water ingress or a network fault can trigger warnings across many modules. We look at the full picture before chasing individual codes.
Physical testing confirms the cause before parts are fitted.
What we check
- Full network scan
- Battery and power supply
- Water ingress points
- Live data and tests
What we can do
- Warning light diagnosis
- Electrical fault finding
- Air suspension and emissions diagnostics
How it works
The process
- 01
Scan.
- 02
Test.
- 03
Explain and quote.
- 04
Repair and verify.
Why The Factory
Main-dealer capability, independent service
A Master Technician-led workshop with seven mechanical ramps, a dedicated MOT ramp and dealer-level diagnostics. Faults are shown to you and additional work is quoted before it goes ahead.
We stand behind the work we carry out. Parts and workmanship are covered in accordance with your statutory rights and any applicable manufacturer or supplier warranty. Please ask us for details relevant to your repair.
- Dealer-level diagnostic equipment
- JLR-trained Master Technician
Free local collection & return
Available by arrangement within approximately five miles of our Sunbury-on-Thames workshop. Further afield? Just ask us.
FAQs
Jaguar & Land Rover Diagnostics: your questions answered
Can you diagnose multiple warning lights on a Land Rover?
Yes. We look for a common root cause such as low voltage or a network fault.
Can you diagnose intermittent electrical faults?
Yes.
Can you diagnose air suspension warning messages?
Yes.
Can you diagnose DPF and AdBlue faults?
Yes.
Do you use dealer-level diagnostic equipment?
Yes.
Related services
Jaguar & Land Rover Specialist
Independent JLR servicing and repair.
Vehicle Diagnostics
Dealer-level fault finding — not just reading and clearing codes.
JLR Air Suspension
Range Rover, Discovery and Jaguar air suspension repairs.
JLR AdBlue & DPF
Jaguar and Land Rover DPF and AdBlue diagnosis.
Need help with jaguar & land rover diagnostics?
Send your registration and a quick description on WhatsApp, or call the workshop.
The Factory, Harris Way, Sunbury-on-Thames TW16 7EL