Tuning · Other Services
ECU Mapping & Tuning Services
ECU tuning adjusts the engine calibration — fueling, ignition timing and boost — to improve drivability, response and efficiency on supported gas and diesel platforms. We also repair corrupted ECU software and restore stock files when a previous tune has caused problems.
- ★ Google reviews
- Component-level repair
- 30-day warranty
- Mail-in across Canada
At a glance
- Service
- ECU Mapping and Tuning
- Turnaround
- Confirmed when you book
- Warranty
- 30-day warranty after repair
- How
- Mail-in from anywhere in Canada · free quote
Tuning Services
- Custom ECU remapping for supported engine computers
- Boost calibration to optimize turbocharger response and power delivery
- Return-to-stock: restoring original factory software
- Repairing ECUs that were damaged or locked by a failed tune
- Tuning available alongside module repair — ask when you ship your unit
Our Approach
- We read and save your original file before any change is made
- Calibrations are checked against the engine’s mechanical condition
- We do not remove or disable emissions-control equipment on road vehicles
Why Choose ECU Repair Doctor
- Electronics specialists — we understand the hardware, not just the file
- Original file backed up so you can always go back to stock
- Mail-in or file service options for shops
ECU Mapping and Tuning: frequently asked questions
How do I send my module in?
Get a free quote by phone, text or the contact form, then pack the module in an anti-static bag with padding and mail it to 76 Sherry Road, Unit H, Scarborough, ON M1L 2J9. Turnaround: confirmed when you book.
Last updated October 2026
Don’t replace it — repair it.
Most failed modules can be repaired for a fraction of the dealer replacement price, and come back cloned to your vehicle so there’s no extra programming visit.