On-site vehicle testing
Bring vehicle testing to the vehicle’s location for drivers, fleet teams and repair professionals.
On-site diagnostics
Roadside Signal brings vehicle testing and fault-code analysis to drivers, fleet teams and repair professionals at the vehicle’s location.

What we do
Roadside Signal brings vehicle testing and fault-code analysis to the vehicle for drivers, fleet operators and repair professionals. Results can offer insight into potential issues and help people choose next steps, but are not a confirmed diagnosis or repair.
Bring vehicle testing to the vehicle’s location for drivers, fleet teams and repair professionals.
Read available fault codes and put the results in context to help identify potential issues.
Use diagnostic findings to guide a more informed conversation about what to check or repair next.
The process
We bring the diagnostic service to the vehicle, then help make sense of the results.
Send an enquiryShare the vehicle’s symptoms and where it is located.
Vehicle testing and fault-code analysis take place where the vehicle is.
Use the findings as a clearer starting point for your repair decision.
Who we help
Get more context when a warning light, unfamiliar symptom or repair question leaves you unsure where to begin.
Bring diagnostic insight to vehicles where they are parked and help organize next steps across your fleet.
Add convenient vehicle testing and fault-code insight to a repair conversation.
Location fit
Vehicle testing and fault-code analysis are brought to the vehicle’s location. Drivers, fleet operators and repair professionals can ask whether a mobile visit may suit their vehicle and situation.
Roadside Signal must confirm service fit and availability. An enquiry is not a booking or confirmation.
Roadside Signal · On-site diagnostics
Tell us what you are seeing and where the vehicle is located. We can reply by email.
We use your name, email and message to review this enquiry and reply. Your details are sent to Roadside Signal’s private intake.