24/7 Mobile Vehicle Diagnostic Code Reading Service

Warning Lights On Your Dashboard? Find Out What’s Wrong.

When you've been left stranded at home, work, or the roadside.

We'll get your vehicle back on the road safely and quickly.

Why Choose Our Vehicle Diagnostic Code Reading Service?

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.

Expert Fault Code Interpretation

Not only do we retrieve fault codes — we explain what they mean in plain English so you can make an informed decision about repairs.

Mobile Service at Your Location

No need to drive with a warning light on. We come to your home, workplace, or roadside location.

Vehicle Types Covered

We cover most European cars and light commercial vans (up to 3.5T).

Honest, Transparent Pricing

No hidden charges or last-minute surprises. The price you see is the price you pay.

Fully Insured and Trusted by Customers

You’re in safe hands with experienced, fully insured technicians.

Common Situations We Handle

  • Check engine light
  • ABS warning light
  • Airbag/SRS system faults
  • DPF (diesel particulate filter) warnings
  • Transmission warning lights
  • Electrical system errors
  • Emissions system faults

Areas We Cover

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.

How Our Vehicle Diagnostic Code Reading Servic Works.

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.

Vehicles Covered

Our battery Vehicle Diagnostic Code Reading services is available for the following vehicle types.

Cars

Vans upto (3.5t)

FAQs About Our Vehicle Diagnostic Code Reading service.

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.

Contact Us

Service Charge & Cancellation Policy

Booking & Service Charges.

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.

Why We Charge a Call Out Fee.

Our call out charge ensures we can dispatch roadside technicians promptly, cover initial travel and fuel costs Maintain 24/7 availability.

Cancellation Policy.

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.

Unable to complete work.

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.

    Common service FAQ's

  • How quickly can you reach me?

    We aim for the fastest possible response, often within 90 minutes depending on location and traffic.

  • Do you charge extra for late night services?

    Our standard hours are between 06:00am – 22:00pm, we do charge extra for service between 22:00pm – 06:00am.

  • What does your diagnostic service include?

    We scan the vehicle’s system, retrieve any stored fault codes, interpret them, then email you a digital report.

  • Will you clear the codes after reading them?

    We can clear codes if appropriate, some codes cannot be cleared until repaired, We always recommend addressing the root cause first.

  • Do you repair faults too?

    We do not provide repair services only basic diagnostics.