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Our Services
Comprehensive diagnostic and programming services for all commercial vehicle systems
Vehicle Diagnostics
Comprehensive diagnostics for all commercial vehicle onboard systems using the latest diagnostic equipment.
Bespoke Modifications
Custom modifications to suspension systems and engine management tailored to your specific requirements.
ECU Flashing
Professional ECU remapping and programming services including speed limiters and system optimisations.
ECU Flashing & Programming
Speed Limiter Adjustments
AdBlue Repair & Removal
DPF Removal
EGR Removal
Engine Management Optimization
Custom Performance Tuning
Recent Work Examples
Examples of specialist diagnostics, ECU remapping, and system modifications we've completed
ECU Remap
Mercedes Sprinter 316 CDI
2019 • Euro 6 • 2.1L Diesel
Work Carried Out: AdBlue system fault diagnostics and repair, DPF regeneration issues resolved, ECU remapping for improved fuel economy. Speed limiter adjustment from 70mph to 62mph as per customer requirements.
Result: DPF regeneration cycles optimised, fuel economy improved by 12%, AdBlue system functioning correctly.
Diagnostics
Ford Transit Custom 310
2018 • 2.0L EcoBlue Diesel
Work Carried Out: Complete engine management diagnostics, EGR valve fault code investigation, turbo boost pressure testing, injector coding and calibration after injector replacement.
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Result: EGR valve replaced and recalibrated, boost pressure restored to manufacturer specifications, smooth running achieved.
DPF Removal
Volkswagen Crafter CR35
2020 • 2.0L TDI • MWB High Roof
Work Carried Out: DPF removal and ECU software modification for non-EU export vehicle. Complete diagnostics scan, DPF pressure sensor reconfiguration, EGR blanking plate installation, post-work emissions testing.
Result: Vehicle prepared for export market, no fault codes present, engine performance optimised for non-DPF operation.
Performance
Iveco Daily 35S14
2017 • 3.0L Diesel • Luton Box Van
Work Carried Out: Custom ECU remapping for improved torque delivery, air suspension diagnostics and recalibration, speed limiter reconfiguration, throttle response optimisation for laden weight operation.
Result: Torque increased by 15%, better driveability when fully loaded, air suspension levelling issues resolved.
AdBlue Repair
Peugeot Boxer 435
2021 • 2.2L BlueHDi • XLH Panel Van
Work Carried Out: AdBlue system diagnostics, NOx sensor replacement and coding, AdBlue dosing module repair, SCR catalyst efficiency testing, complete system recalibration and fault code clearing.
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Result: AdBlue system restored to full functionality, NOx levels within acceptable range, limp mode deactivated.
Fleet Service
DAF LF 180
2016 • 4.5L Diesel • 7.5 Tonne
Work Carried Out: Full vehicle diagnostics including ABS, traction control, and engine management systems. DPF forced regeneration, brake system diagnostics, tachograph calibration check, dashboard warning light investigation.
Result: All systems operating correctly, DPF regeneration successful, ABS sensor fault repaired, vehicle returned to fleet service.
All work carried out in compliance with UK regulations. DPF/EGR/AdBlue removal services only available for off-road, export, or motorsport vehicles where legally permitted.
Expert Commercial Vehicle Solutions
At GR Autoelectrics, we specialise in providing professional diagnostic and programming services for commercial vehicles. Our team has extensive experience with all major vehicle systems and manufacturers.
We offer bespoke modifications tailored to your specific needs, from suspension tuning to engine management optimisation. Our ECU flashing services can help improve performance, fuel efficiency, and remove problematic emissions systems when legally permitted.
10+
Years
Experience
500+
Vehicles
Serviced
Get in Touch
Contact us today to discuss your commercial vehicle needs