Frequently Asked Questions
Frequently Asked Questions – Devon Auto Diag
Looking for answers about vehicle diagnostics, fault finding or warning lights in Devon? Below you’ll find answers to some of the most common questions we receive from drivers across the county.
Whether you’re experiencing a dashboard warning light, an electrical fault, an engine issue or an intermittent problem, our FAQs provide useful information about our mobile diagnostic services.
If you can’t find the answer you’re looking for, contact Devon Auto Diag and we’ll be happy to help.
Vehicle diagnostics involves using professional diagnostic equipment to communicate with your vehicle's electronic systems. This allows us to read fault codes, analyse vehicle data and investigate warning lights or other faults.
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Yes. Devon Auto Diag provides fully mobile vehicle diagnostics across Devon. We can come to your home, workplace or another suitable location to investigate your vehicle.
We provide mobile diagnostics across Devon, including Exeter, Plymouth, Torquay, Paignton, Newton Abbot, Exmouth, Tiverton, Barnstaple and surrounding areas.
We provide diagnostics for a wide range of makes and models. If you're unsure whether we can diagnose your particular vehicle, contact us with the make, model and year.
Yes. We can scan the vehicle's relevant systems to identify stored fault codes and investigate the information provided by the vehicle's engine management system.
Yes. Professional diagnostic equipment can be used to scan the ABS system and identify stored fault codes that may help determine the cause of the warning light.
Yes. We can carry out diagnostic scans of the vehicle's airbag and SRS systems to identify stored faults and diagnostic trouble codes.
Yes. We provide DPF diagnostics to investigate DPF-related warning lights, fault codes and system data. Diagnostics can help identify what the vehicle is reporting before any further work is considered.
Yes. In addition to our vehicle diagnostic services, Devon Auto Diag can program spare car keys for many makes and models. Whether you've purchased a new key or simply want the convenience and peace of mind of having a spare, we can program it to work with your vehicle's immobiliser and remote locking system (where supported).
Intermittent faults can be difficult to identify because they may not always be present. Diagnostic scanning and, where available, live data can help investigate faults that appear and disappear.
Yes. We use professional diagnostic equipment to read and interpret diagnostic trouble codes from supported vehicle systems.
Not always. A fault code identifies an issue or system that requires investigation, but it does not necessarily identify the exact failed component. Further diagnostic testing may be required to establish the underlying cause.
Diagnostic equipment can sometimes clear stored fault codes and warning lights, but we focus on identifying the reason for the fault rather than simply clearing the warning light. If the underlying problem remains, the warning light may return.
Yes. Devon Auto Diag provides mobile car diagnostics in Exeter and surrounding areas, allowing you to have your vehicle diagnosed at a convenient location.
Yes. We provide mobile vehicle diagnostics in Plymouth and surrounding areas. Contact us with your vehicle details and the issue you're experiencing to arrange an appointment.
Yes. Devon Auto Diag offers mobile car diagnostics in Torquay, as well as Paignton, Newton Abbot and surrounding areas.
The cost can vary depending on your vehicle, the type of fault and the diagnostic work required. Contact Devon Auto Diag with your vehicle details and location for information about pricing.
Not necessarily. Our mobile vehicle diagnostics service means we can come directly to your home, workplace or another suitable location, depending on the circumstances.
No. Devon Auto Diag specialises in vehicle diagnostics and fault finding only. We do not carry out mechanical repairs. Our role is to help identify and explain vehicle faults so you have accurate information before deciding what to do next.
Contact Devon Auto Diag with your vehicle make, model, year, location and a brief description of the problem. We'll discuss your requirements and arrange a convenient time for your mobile diagnostic appointment.
Yes. Professional auto locksmiths use approved tools and procedures designed specifically for vehicle security systems.