Resources for Tuners

Free tools from Llandow Tuning for ECU files, diagnostic lookups and tuning calculations. Upload your files, continue with a free account and return to your saved results.

Tuning tools

Extract map definitions, work with raw ECU files or convert supported firmware containers.

Upload first, then log in or register to view and download your results.

Free online remap editor Beta test

LTEditor includes PD EDC15 map detection, custom map definitions, 3D views, a full hex editor and saved projects. Free DTC, DPF, EGR and AdBlue solutions on supported ECU software. No paid tier.

Map definitions to WinOLS CSV

Convert supported A2L, A2LZ, A2LC, ECA, KP, OLS and XDF definitions to a WinOLS CSV map list, with an omissions report.

Extract maps to WinOLS CSV

OLS to ECUx converter

Recover readable binary versions and maps from supported tuner-linked or damaged OLS projects. Export ECUx for WinOLS releases with ECUx support.

Convert OLS to ECUx

WinOLS NOREAD remover

Replace visible NOREAD markers with matching FF or 00 padding in a separate binary copy.

Inspect NOREAD markers

ECU checksum corrector

Check original and modified raw ECU files and correct supported checksums.

Check ECU files

VAG MD1 oil-pressure patch

Free analysis and patching for supported Volkswagen MD1CS004 and MD1CP004 files. Use a clean original; checksum correction is required before writing.

View support and open the tool

VAG FRF / SGO to BIN

Extract BIN blocks and conversion metadata from VAG FRF or SGO firmware.

Open FRF / SGO converter

BMW 0DA to BIN

Convert BMW SP-Daten calibration files to BIN with address information and a conversion report.

Open BMW 0DA converter

CAT FLS / FL2 to BIN Beta test

Extract supported Caterpillar binary blocks with address or bank information and a conversion report.

Open CAT converter

Ford / JLR VBF to BIN

Extract supported BIN blocks from Ford, Jaguar and Land Rover VBF firmware.

Open VBF converter

Diagnostic tools and coding

Repair module data, work with immobiliser and coding files, calculate diagnostic access codes or identify ECUs and vehicles.

Calculators & conversions

Check units and make sense of power, boost and airflow readings.

Diagnostic references

Find fault-code information, identify VAG dual-clutch gearboxes or look up SRS and battery/BMS module references.

Data logging

Explore ECU data logging and dyno control software with additional measurement inputs and open data integration.

Workshop guides

Technical explanations and advice from our tuning workshop.