AUTOMOTIVE REMAPPING & ELECTRICAL DIAGNOSTICS
Professional remapping, advanced diagnostics, and complete mobile auto-electrical services delivered straight to your home, workplace, or roadside. Boost performance, unlock torque, and improve fuel economy with our fully mobile, on-site ECU remapping. From complex wiring faults to simple battery replacements, we have the tools to keep you moving.
We provide specialist software, diagnostic, and electrical services for almost all car and light commercial manufacturers, whether it's Hatchbacks, Saloons, SUVs, or Vans, we've got you covered. Unsure if we can support your vehicle? Contact us for a free quote!
What We Offer on the Move
Custom ECU Remapping
Tailored Stage 1 performance and economy tunes to safely unlock your vehicle's true potential.
Dealer-Level Diagnostics
Complete fault code scanning, live data analysis, and DPF force regenerations to clear limp mode.
Auto-Electrical & Wiring
Professional fault finding and repairs for tricky electrical issues, sensors, and loom damage.
Battery Testing & Replacement
On-site battery health checks and replacements registered correctly to your vehicle's ECU.
Roadside Assistance
Fast mobile support to diagnose and resolve software, electrical, and starting issues on the spot.
Mobile ECU Remapping across Scotland
Performance Tuning: Unlock your engine's true potential. We safely boost horsepower and increase torque by up to 30%, delivering sharper throttle response, smoother power delivery, and effortless overtaking.
Fuel Economy Tuning: Designed specifically for high-mileage commuters and commercial vans. By optimizing your engine's low-end torque, we help you pull higher gears sooner, significantly reducing your weekly fuel bills.
Safe & Secure ECU Writing: Your vehicle is in safe hands. We use the industry-leading Dimsport ‘The Genius’ system, a premium, battery-backed handheld tool that guarantees a 100% secure OBD read and write process with zero risk to your ECU.
Hassle-Free Mobile Service: No need to lose your vehicle for the day or travel to a workshop. We bring our fully equipped mobile tuning setup directly to your driveway or workplace, completing the job on-site in just a few hours.
Mobile Car Battery Replacement - At Your Doorstep
100% Mobile Service: Stuck at home or work? We come directly to you anywhere in Fife and surrounding areas.
Digital Battery Coding & Diagnostics: Modern vehicles require the ECU to register new batteries. We handle full computer coding on-site.
Fair Driveway Pricing: Professional fitting, battery diagnostic check, and battery disposal for just £60 + VAT (plus battery cost).
Premium Warranties: All batteries come with up to a 4-year manufacturer warranty.
Mobile Car Electrical & Fault Diagnostics
Comprehensive Mobile Diagnostics: Vehicle won't start, or got a warning light on the dash? We bring dealer-level diagnostic equipment straight to your home, workplace, or farm anywhere in Fife.
Parasitic Battery Drain Tracing: Battery constantly going flat overnight? We specialize in advanced auto-electrical fault finding to track down hidden current draws and modules that refuse to sleep.
Complex Wiring & Module Faults: From damaged wiring looms (like blower motor circuits) to unresponsive modules, we trace the root cause of complex electrical issues without the main dealer price tag.
Transparent Diagnostic Pricing: No hidden fees. Our mobile diagnostic callout within Fife is £82.50 + VAT, which includes up to 1.5 hours of on-site diagnostic testing and fault tracing.
Need a reliable mobile engineer?
Whether you are stuck in a field or on your driveway, AJ AGRI LTD is ready to help.