From diagnostician to ECU reverse engineer.
No dependency on someone else’s files.
You read fault codes but have never been inside an ECU — go to ECU Foundations.
You read and write, but hand calibration to others — go to Diesel or Gasoline.
You calibrate, but hit protection and unfamiliar ECUs — go to Reverse Engineering.
Where are you right now?
Find yourself below. That is your entry point — not where you started, but where you are today.
ECU Foundations
Your first step into ECU calibration. Read and write safely, master WinOLS®, understand firmware structure — before you touch a single map. Three formats depending on what you already know.Your step if you’re a diagnostician: you read fault codes, but have never been inside an ECU.
For technicians who need bulletproof reading and writing — no calibration yet. The foundation everything else stands on.
- Read and write ECU safely
- Checksum correction
- Boot mode & OBD interfaces
- Certificate included
If you already do safe R/W and need WinOLS, map identification, mappack building and engineering documentation — start here.
- WinOLS from Zero
- Map identification & tuning
- Funktionsrahmen & documentation
- Certificate included
Both courses together — save €420. The complete foundation: safe R/W + full WinOLS workflow. What 80% of students choose.
- Everything in Safety
- Everything in WinOLS
- Certificate included
- 14-day Graduate Pricing on L2
Diesel Engine
From combustion physics to Stage 1 calibrations. Understand why your changes work — make your own files instead of buying them.Your step if you already read and write ECUs, but hand calibration to others.
Combustion, injection strategy, boost control, torque limiters. Find any map — even without DAMOS files.
Build Stage 1 from scratch. SOI + Rail + Pre-injection = +21% power gain on real cars. Step-by-step on actual files.
Advanced diesel calibration — Thomas’s premium-level methodology, recorded format with lifetime access. Real ECU projects, deep system mastery.
The complete diesel calibration path — from combustion physics to your own Stage 1 files on real ECUs. For working tuners who’d rather build the full skill now and save €330.
Stage 1 + Stage 2/3 + engineering models in one purchase. For tuners who want to charge €500–2000 per job instead of €100 per reflash — and stop turning away advanced work.
Gasoline Engine
Ignition timing, load models, AFR control, torque management. The same engineering methodology — applied to petrol. Including naturally aspirated, which most courses skip entirely.Your step if you already read and write ECUs, but hand calibration to others.
Torque, ignition, fuel, air. Data flow videos before each system explain how the ECU actually thinks.
Real calibrations including naturally aspirated engines. The kind of work most calibrators avoid because they don’t know how.
Advanced gasoline calibration — Thomas’s premium-level methodology, recorded format with lifetime access. Real ECU projects, deep system mastery.
The complete gasoline calibration path — from ignition and load models to your own calibrations on turbo and naturally aspirated engines. For working tuners who’d rather build the full skill now and save €320.
Stage 1 + Stage 2/3 + engineering models in one purchase. For tuners who want to charge €500–2000 per job instead of €100 per reflash — and stop turning away advanced gasoline work.
Reverse Engineering
The only structured ECU reverse engineering curriculum in the world. Read firmware directly with Ghidra — across Bosch TriCore, Renesas, and PowerPC. Same methodology, same F → P → M path, same pricing on all three. Pick the architecture your clients actually drive.Your step if you calibrate, but hit read protection, unfamiliar ECUs and “invisible” tuning.
Bosch TriCore Reverse Engineering
The most common ECU architecture in modern diesel and gasoline cars — VAG, BMW, Mercedes, Fiat, Hyundai. Start here if your clients drive European or Asian passenger cars.
Firmware structure, TriCore internals, Ghidra interface, code flow, registers, data tracking. Write your first speed limiter from scratch.
MapSwitch, VIN protection, obfuscation, Launch Control. Features your clients will pay €400–1000 for — that nobody else can build on TriCore.
Invisible tuning. Firmware read protection. CAN development. RAM coding, advanced reverse engineering — Thomas’s premium-level methodology, recorded with lifetime access.
The complete TriCore reverse engineering path — from firmware reading to building your own ECU solutions clients will pay premium for. Top-1% skill set.
The deepest commercially available TriCore reverse engineering curriculum. For tuners building solutions clients will pay €1000–3000 for — work nobody on the market can replicate.
Renesas Reverse Engineering
The dominant architecture in motorcycles and Japanese vehicles — Kawasaki, Yamaha, Honda, Suzuki, plus select Toyota and Subaru models. Start here if your clients are moto-tuners or work with Japanese platforms.
Firmware structure, Renesas internals, Ghidra interface, code flow, registers, data tracking. Write your first speed limiter from scratch.
MapSwitch, VIN protection, obfuscation, Launch Control. Features your moto-clients and Japanese-car clients pay €400–1000 for — that nobody else can build on Renesas.
Invisible tuning. Firmware read protection. CAN development. RAM coding, advanced reverse engineering on Renesas — Thomas’s premium-level methodology, recorded with lifetime access.
The complete Renesas reverse engineering path — from firmware reading to building your own solutions for motorcycles and Japanese ECUs. Top-1% skill set in a niche almost nobody teaches.
The deepest commercially available Renesas reverse engineering curriculum. For tuners building custom solutions for Kawasaki, Yamaha, Honda — €1000–3000 jobs nobody on the market can replicate.
PowerPC Reverse Engineering
The architecture behind trucks, agricultural and marine engines — MAN, Scania, Iveco, John Deere, BRP. Start here if your clients run commercial fleets, agri equipment or marine platforms.
Firmware structure, PowerPC internals, Ghidra interface, code flow, registers, data tracking. Write your first speed limiter from scratch.
MapSwitch, VIN protection, obfuscation, Launch Control. Features fleet operators and agri shops pay €500–1500 for — that nobody else can build on PowerPC.
Invisible tuning. Firmware read protection. CAN development. RAM coding, advanced reverse engineering on PowerPC — Thomas’s premium-level methodology, recorded with lifetime access.
The complete PowerPC reverse engineering path — from firmware reading to building your own solutions for trucks, agri and marine ECUs. Top-1% skill set in commercial-vehicle tuning.
The deepest commercially available PowerPC reverse engineering curriculum. For tuners building custom solutions for MAN, Scania, John Deere, BRP — €1500–5000 jobs nobody else can replicate.
Ecology module
A ready-to-buy course outside the core tracks — switch off DPF, SCR/AdBlue and DTC on Bosch ECUs, even when no matching DAMOS exists.
Find the ecology zone by the structure of the BIN file, simulate what has no switch, and rebuild the error table so the dash stays clean. A method, not a patch library.
- DPF, SCR/AdBlue and DTC off
- Works without a matching DAMOS
- Verified on BMW, Chevrolet, Cadillac
- 15-language subtitles
Specialist Modules
Vehicle-specific 1:1 masterclasses for exotic and niche platforms. Same methodology — applied to markets where almost nobody else teaches. Only 1 founding spot per module.
Lamborghini / Ferrari
For premium services, racing teams, luxury-segment tuners. One Lamborghini tune for a client = €2000–€5000.
BRP SeaDoo / SkiDoo
Marine and snowmobile tuning — a niche where almost nobody else teaches. Dealers, recreational service centers.
Kawasaki / Yamaha
Renesas architecture for motorcycles — expertise that doesn’t exist elsewhere on the market.
Five ways to save.
No tricks.
The discount depends on your step, not on the calendar: you took the bundle, you upgraded, you earned the certificate. No timers, no “more expensive tomorrow”, no offers that burn out.
Save 15% on F + P
Fundamental is understanding: how the ECU and its firmware are built. Practice is your first solutions on real files. Paid jobs start after Practice, so the bundle — Essentials is 15% cheaper than the two courses bought separately — saves €320–€560 depending on track.
Save 25% on F + P + M
The whole track in one purchase, 25% cheaper. Mastery is the top step of the track: the jobs only a handful on the market take on, and the most expensive ones — whether that’s diesel calibration, gasoline, or ECU reverse engineering. Save €1,170–€1,630 depending on track. Best value.
Start small. Lose nothing.
Not sure you can commit to a bundle right away? Take Fundamental. Within 7 days of purchase you can move up to Essentials or Complete (or from Essentials to Complete), paying only the difference. Same total as if you’d bought the bundle upfront.
−10% on your next step
Finished the course and got your certificate — Graduate Pricing opens: −10% on your next step — a new track (Diesel, Gasoline or Reverse Engineering) or the next level of the one you just finished. Valid for 14 days. One certificate — one discount on one course.
−20% for Tier 2 countries
Students from countries with lower purchasing power (LatAm, Eastern non-EU, Africa, South Asia, Turkey) receive an automatic 20% PPP discount at checkout. Verified by billing country.
Your exact country not named above? Ask us before you buy — the Tier-2 list is country-by-country, not by region.
Complete + Graduate + PPP can stack. A student in Brazil buying Diesel Complete then Reverse Engineering Complete: €2,792 + €3,593 = €6,385 instead of €8,480 retail — save €2,095.
Not sure which track to start with — the answer is in the questions below ↓
Before you decide
Which track should I start with?
If you’re new to ECU calibration — start with ECU Foundations (all 3 courses live: Safety, WinOLS, L1 Complete). If you already read and write ECUs and use WinOLS — go straight to Diesel or Gasoline Fundamental. If you’re an experienced calibrator who wants reverse engineering — pick your architecture on the Reverse Engineering hub (TriCore, Renesas, or PowerPC). Working with Lamborghini, marine, or motorcycles? See Specialist Modules.
What’s the difference between Essentials and Complete?
Essentials (F + P, −15%) is for working professionals who need full calibration capability — Fundamental + Practice in one bundle. Complete (F + P + M, −25%) adds Mastery on top — recorded advanced calibration with deep system mastery, for tuners committed to career-level expertise. Started with Fundamental or Essentials? You have 7 days from purchase to upgrade to Complete at the bundle rate — same total cost, no penalty for starting cautiously. After that, Graduate Pricing gives you 10% off the next level for 14 days from your certificate.
Do you offer discounts for developing countries?
Yes. Students from countries with lower purchasing power (Brazil, Mexico, Argentina, Turkey, India, Ukraine, Belarus, South Africa, Nigeria, and others) receive an automatic 20% PPP discount at checkout. The Tier-2 list covers Latin America, Eastern non-EU, Africa, South Asia and Southeast Asia. Verified by billing country to prevent abuse. Don’t see your country named? Ask us before you buy — the list is country-by-country, not by region.
How long do I have access?
Lifetime access to all course materials. Watch at your own pace, revisit any lesson as many times as you need. Forum, Telegram and the Tuners Guild Discord — support doesn’t end when the course does.
How fast does the course pay for itself?
5 to 7 cars. A single custom calibration earns €200–€500. With 8 reflash requests per month — the median for our students — most recover the cost within 1 to 2 months of practice. The expensive part isn’t the course. The expensive part is the year you’ll spend trying to learn this on YouTube.
Do you teach my specific ECU?
Yes — because we teach methodology, not button-pushing. Know letters — read any book. Know the methodology — work with any ECU. One method, all cars. That’s why our students work on everything from BMW and VAG to Lamborghini, Ferrari, BRP SeaDoo and Kawasaki.
What if I brick an ECU while learning?
You won’t — because we don’t teach you on client cars. Module 1 starts with reading firmware files on the bench, not flashing. By the time you touch a real ECU, you’ve already practiced read/write/checksum/recovery on virtual files. Safety methodology comes before calibration methodology. That’s why our students ship Lamborghini, Ferrari, Kawasaki and BRP back to clients running clean.
All questions answered?
Pick Your Track →A community of calibrators — with every course. For good.
This is not a separate tier. With any course you join the closed community: conversation, shared experience and mutual help — a place to ask what you didn’t get and to share what you worked out yourself. Monthly live Q&A with Thomas. Access is permanent, not just for the duration of the course.
“…the most important thing is the live interaction with other calibrators who can point you in the right direction” — Vitaliy72
Your equipment is paid for. Your clients are waiting.
The only thing between you and the next level is the skill — and now you know exactly what it costs to get there.
