01
Vehicle diagnostics
Fault-code reading, live-data analysis and guided testing to understand what a fault means and what should be checked next.
Diagnostics · Auto electrical · Vehicle security
We find the fault.
Not just the code.
Specialist diagnostics and electrical fault-finding for modern vehicles — from warning lights and module communication faults to intermittent problems that need a methodical approach.
Ilminster, SomersetApproved Scorpion dealerCars, trailers & more
Diagnostics with a plan.
FAULT-FINDING FIRSTEvidence-led testing, clear findings and sensible next steps.
What we do
Specialist help for complex faults.
Explore our core services. If you are not sure where your issue fits, describe the symptoms and we’ll help identify the right starting point.
02
Auto electrical fault-finding
Power, earth, wiring, connector and component checks for electrical faults that are persistent, intermittent or difficult to reproduce.
03
ECU & network communication
Investigation of module communication issues, CAN-bus symptoms, lost communication codes and faults affecting multiple systems.
04
Scorpion vehicle security
Tracking and immobilisation options, with advice on choosing a system and confirming vehicle suitability before installation.
05
Trailers & other electrical systems
Our diagnostic and electrical approach can extend beyond cars. Tell us what vehicle or equipment you have and what it is doing.
Why SWVS
A clear route from symptom to solution.
Fault codes are a starting point, not always the answer. We focus on testing the cause and explaining the next steps.
Test before replacing
Use symptoms, live data and checks to narrow down the cause before recommending parts.
Electrical expertise
Methodical investigation of power supplies, earths, wiring and module communication.
Clear communication
Understand what has been found, what remains uncertain and what the sensible next step is.
Approved Scorpion dealer
Vehicle security, matched to your needs.
SWVS supplies and installs Scorpion tracking and immobilisation solutions. We can help you compare options and check suitability for your vehicle, including the X-Series CAN immobiliser range.
TrackersVehicle location solutions
ImmobilisersAdded theft deterrence
X-SeriesCAN immobiliser range
About SWVS
Independent. Technical. Straightforward.
South West Vehicle Services is based at Westcombe Trading Estate in Ilminster, Somerset. Our focus is diagnostics, electrical repair and vehicle security — helping customers get a clearer answer when faults are not straightforward.
We review each enquiry and contact you to agree the scope of work and availability. Sending an enquiry does not automatically book the workshop.
✓
Methodical fault-finding
Checks guided by symptoms and available technical information.
✓
Customer authorisation
Findings and next steps discussed before additional work proceeds.
✓
Enquiries reviewed by the team
We check job details and contact you to agree availability and scope.
Start a conversation
Tell us what you need.
Share a few details about the vehicle and symptoms. We’ll review the enquiry and get back to you about the right next step.
Enquiry, not instant booking.
Submitting this form does not reserve a slot. SWVS will confirm availability and any diagnostic or repair work with you.
Submitting this form does not reserve a slot. SWVS will confirm availability and any diagnostic or repair work with you.
Unit 2A, Westcombe Trading Estate
Ilminster, Somerset, TA19 9DW