Jaguar ECU Tune | Viezu USA

Get a professional Jaguar ECU tune from Viezu USA — stronger torque, sharper throttle response, and a more connected driving experience from a calibration built for your specific platform. Jaguar's supercharged 3.0L V6 and 5.0L V8 engines are exceptionally responsive to professional tuning, and Viezu has been developing Jaguar calibrations longer than almost anyone in the business. Whether you're driving an F-Type daily or taking an XJR to the track, these tunes are built to match the precision Jaguar engineered into these vehicles.

Select your model, engine, year, and tune type below. Your vehicle-specific add-on price will be reflected at checkout.

What's Included

• Custom ECU calibration built for your specific engine and platform
• US-based technical support before, during, and after your tune
• Dyno-documented results (in-house flash)
• Clear communication on turnaround time and expectations
• Follow-up support if adjustments are needed

Tune Types Available

Stage 1 — OBD Tune
No hardware modifications required. Tuned directly through the OBD port. The most accessible entry point for Jaguar supercharged platforms. Meaningful torque and power gains on the 3.0L V6 and 5.0L V8 without a single hardware change.

Stage 2 — Supporting Modifications Required
For vehicles running upgraded supercharger pulleys, intercooler upgrades, exhaust, or other supporting hardware. Stage 2 extracts everything your modifications have to offer with a calibration built around your exact setup. Contact us before ordering to confirm your build is Stage 2 ready.

3.0L Supercharged V6 Performance Tune
Purpose-built for the AJ126 3.0L supercharged V6. Whether you're on a stock F-Type, a modified F-Pace, or a high-mileage XJ, this calibration improves throttle response, mid-range torque, and overall drivability in a way you'll feel immediately.

5.0L Supercharged V8 Performance Tune
Built for the AJ133 5.0L supercharged V8 — the engine that powers the F-Type R, SVR, F-Pace SVR, XFR, XJR, and XKR. These calibrations are developed to work with the supercharged V8's broad torque curve, delivering stronger output across the entire power band and a more aggressive throttle character.

Economy / MPG Tune
Optimized for real-world fuel efficiency without sacrificing drivability. A practical option for XJ and XF owners who want better fuel economy from the supercharged platforms on long-distance driving and daily use.

Delivery Options

Handheld Tuner — Mailed to You
We ship a pre-loaded handheld tuning device directly to you. Plug it into your OBD port, follow the simple instructions, and your vehicle is tuned. No shop visit required. Compatible with most Jaguar platforms.

Local Flash — Salt Lake City, UT
Bring your vehicle to our Salt Lake City location for an in-person ECU flash. Includes a dyno pull for documentation. Recommended for Stage 2 builds and any vehicle requiring bench access.

Supported Platforms (2013 and newer — 3.0L & 5.0L variants only)

• F-Type: 3.0L SC V6 340hp (2014–2020), 3.0L SC V6 S 380hp (2014–2020), 5.0L SC V8 R 550hp (2014–2019), 5.0L SC V8 SVR 575hp (2017–2020), 5.0L SC V8 R 575hp (2020+), 5.0L SC V8 R75 575hp (2024)
• F-Pace: 3.0L SC V6 380hp (2017–2020), 5.0L SC V8 SVR 550hp (2018+)
• XF: 3.0L SC V6 340hp (2013–2015), 5.0L SC V8 XFR 510hp (2013–2015), 5.0L SC V8 XFR-S 550hp (2013–2015)
• XJ: 3.0L SC V6 340hp (2013–2019), 5.0L SC V8 XJR 510hp (2013–2019), 5.0L SC V8 XJR575 575hp (2017–2019)
• XK: 5.0L SC V8 XKR 510hp (2013–2014), 5.0L SC V8 XKR-S 550hp (2013–2014)
• XE: 5.0L SC V8 SV Project 8 592hp (2018–2019)

Don't see your exact configuration? Contact us at usa@viezu.com before ordering and we'll confirm compatibility.

Important Notes

• Newer Jaguar platforms (2020+) may require an ECU unlock before tuning can be performed. The ECU must be bench-flashed to remove the factory security layer prior to calibration — additional charges and turnaround time apply. Contact us before ordering so we can confirm the unlock process and total cost for your specific vehicle before you spend a dollar.
• XE SV Project 8 is a limited-production platform with specific calibration requirements. Pre-order consultation required.
• Stage 2 requires a pre-order consultation. We also stock Jaguar performance parts including supercharger pulleys, charge coolers, and supercharger upgrades — ask us about combining a hardware and tune package for maximum results.
• Emissions compliance is your responsibility. Tuning may affect emissions output. Off-road and track use only where applicable by law.
• Don't see your engine in the list? Contact us at usa@viezu.com and we'll confirm compatibility and pricing before you order.