This article was adapted for drivers and tuning professionals in the United States by Viezu USA. Measurements are shown in US units alongside the originals.
Diesel Tuning Masterclass: Audi A4 2.0 TDI in ECM Titanium 3.0
In this free live masterclass, Viezu Technologies gave viewers practical, hands-on insight into diesel ECU tuning with ECM Titanium 3.0. Using an Audi A4 2.0 TDI (Bosch EDC17CP20 ECU) as the case study, the session walks through the full job, from reading the ECU safely to identifying maps, making practical Stage 1 adjustments and validating the results.
It was broadcast live on Tuesday, September 23, 2025. Click below to watch the recording. Watch the video
Session Breakdown
Introducing ECM Titanium 3.0
- The SMART method for Stage 1 diesel performance tuning
- Map identification and investigation: the key maps a tune needs, and the Stage 1 potential hidden in the stock calibration data
- The Stage 1 tune: modifying ECU data safely and effectively for smooth, progressive gains
- Writing back and validating: checksums, post-write checks, datalogging and dyno testing
Finding the maps
- The key maps: driver's wish (torque request), torque limiters, smoke/AFR, turbo boost and limiters, rail pressure, start of injection angle and more
- Investigation: pinpointing the Stage 1 performance tuning potential within the stock calibration data
Making the Stage 1 changes
- How to adjust torque requests and limiters, the fuel system, injection angle and rail pressure to unlock the vehicle's safe potential
- Tuning the turbo system for a dependable boost increase that supports the revised fueling and a reliable Stage 1 result
Writing back and validating
- A brief look at checksum handling, flashing and DTC clearing
- Validation through logs and the dyno (boost, rail pressure, torque, EGT), iterative refinement, and what Stage 1 typically improves (no fixed figures)
Live Q&A
- Paul and Simon took any questions and gave guidance on next steps with Remap 101
When it aired
The masterclass went out at 9 AM Pacific and noon Eastern, which was 5 PM in the UK, 6 PM in Central Europe and South Africa (SAST), 8 PM in Dubai (Gulf Standard Time) and 2 AM the next morning in Sydney.
Running order
- Introduction: purpose, tools and safety
- Finding and investigating the maps
- The Stage 1 performance tune
- Writing back and validating
- Live Q&A and next steps
Who will get the most from it
It's aimed at new and aspiring diesel tuners learning ECM Titanium, experienced tuners refining their diesel strategies, and shops training their teams in a safe, structured method. If you're thinking about investing in ECM Titanium, or already own it and want to get more out of it, this one's for you.
What the live format offered
- Paul Busby and Simon White, live
- Your questions answered directly
- Learning pitched at your level
- An instant replay, available now
Why Viezu?
- 1,000+ tuning dealers worldwide
- Queen's Award winner
- Industry leaders in ECU remapping, software training and dealer support
Featured Product
Alientech ECM Titanium 3.0: developed by Alientech, ECM Titanium remapping software lets you view and tune any of the original engine and transmission control unit calibrations with no outside help. Choose a 12-month or 6-month subscription; contact us for current US pricing.
Talk to Viezu USA
Want to know what Viezu can do for your vehicle or your business? Request a performance upgrade quote, browse viezuusa.com or contact the Viezu USA team.