Full OBD-II Fault Code Reading
We connect professional diagnostic equipment directly to your vehicle’s onboard system to quickly find the cause of warning lights or faults.
We'll get your vehicle back on the road safely and quickly.
Call 07594 218 651
or click here to request a call back.We provide Vehicle Diagnostic Code Reading services across Hertfordshire, Greater London, and surrounding areas including:
Click on your area above for detailed local service information, prices and response times.
We also serve nearby towns like Rickmansworth, Bushey, Abbots Langley, Northolt, and Kings Langley.
Step 1: Call us on 07594 218 651 or request a call back here.
Step 2: We’ll discuss your vehicle and symptoms and confirm the best solution.
Step3: If your happy to continue we will collect £25* to confirm booking and send a technician to your location.
(*outstanding balance payable on completeion of work)
Step 3: On arrival plug-in and scan the vehicle’s onboard computer system.
Step 5: Send you a digital diagnostic report and advice on next steps.
No repairs are forced, we simply provide the information so you can decide what to do next.
Our battery Vehicle Diagnostic Code Reading services is available for the following vehicle types.
Cars
Vans upto (3.5t)
We’re happy to answer any question you have about our Vehicle Diagnostic Code Reading services, you can call us on 07594 218 651, request a call back here or if you prefer you can send us your enquiry via our contact form using the button below.
When you book with Dual Action Roadside, we charge an initial amount of £25 collected at time of booking to cover call out costs. The remaining service charge is payable upon successful completion of service.
Our call out charge ensures we can dispatch roadside technicians promptly, cover initial travel and fuel costs Maintain 24/7 availability.
The initial mobile call out charge is non-refundable in all circumstances This policy allows us to maintain fair pricing for all customers We recommend providing as much notice as possible if you need to cancel.
If we attend but cannot complete the work due to additional vehicle problems, the call-out fee is retained to cover our attendance and diagnostic time. If you have any questions about our policy, please call 07594 218661.
We aim for the fastest possible response, often within 90 minutes depending on location and traffic.
Our standard hours are between 06:00am – 22:00pm, we do charge extra for service between 22:00pm – 06:00am.
We scan the vehicle’s system, retrieve any stored fault codes, interpret them, then email you a digital report.
We can clear codes if appropriate, some codes cannot be cleared until repaired, We always recommend addressing the root cause first.
We do not provide repair services only basic diagnostics.