Guides
Guides to every service we offer
Plain-English explanations of each calibration: what it changes, what the car needs, what to send with your read, and the fault codes to watch for.
Car tuning
Stage 1 and Eco tuning explained
Full guide to Stage 1 and Eco car calibration files: what each changes, what to send, expected trade-offs, and the fault codes to watch for.
Read the guideStage 2 tuning explained
Full guide to Stage 2 car calibration files: which supporting modifications are needed, what the file changes, and what to send with your read.
Read the guideStage 3 tuning explained
Full guide to Stage 3 car calibration: hybrid turbo and built-engine files, why they are quoted per car, and the build information we need before pricing.
Read the guideGearbox and TCU tuning explained
Full guide to gearbox and transmission control unit (TCU) files: Stage 1 shift calibration, Stage 2 launch and torque limits, and what to send.
Read the guideEmissions-related
DPF off explained
What a DPF off file does, how a diesel particulate filter regenerates, the symptoms and fault codes it relates to, and the off-road position.
Read the guideEGR off explained
What EGR does, what an EGR off file changes in the ECU, standalone and add-on variants, the symptoms and fault codes, and the off-road position.
Read the guideAdBlue and SCR off explained
What AdBlue (SCR) does, what an AdBlue or SCR off file changes, standalone and add-on variants, common NOx fault codes, and the off-road position.
Read the guideGPF and OPF off explained
What a gasoline (GPF) or otto (OPF) particulate filter does, what a GPF or OPF off file changes, the symptoms and codes it relates to, and the off-road position.
Read the guideDTC off explained
What diagnostic trouble codes (DTCs) and the warning lamp are, what a DTC off file changes, and why it is for off-road use only.
Read the guideDecat and 2nd lambda off explained
What the catalyst and second (post-cat) lambda sensor do, what a decat or 2nd lambda off file changes, related fault codes, and the off-road position.
Read the guideDriveability and performance
Driveability files explained
Full guide to driveability calibration files: swirl flaps off, start-stop off, hot start fix and Vmax or speed limiter off. What each changes and what to send.
Read the guidePop and bang and launch control explained
Full guide to pop and bang (crackle) maps and launch control: what each changes, the drivetrain and legal considerations, and what to send with your read.
Read the guide