AutoTuner Mail-In ECU Unlock

Ferrari V6/V8/V12

Bosch MG1CS039

Start tuning now! Get your Ferrari Bosch MG1CS039 ECUs unlocked right here in the USA with our quick and convenient mail-in unlocking service with same-day turnaround. This unlock supports Bench with the AT Tool on the 3.0T PHEV, 3.9T V8, 4.0T V8, and 6.5i V12 Ferrari models.

✅ Your ECU is safe. It will not be opened or physically modified.

Unsure if your vehicle is supported?
Search our guide!

⚠️ Dual ECU models require 2 Unlocks. (V8/12)

Sale price$399.00
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Important: Before you ship!

We do not process opened ECUs. UPS will reject your shipment if it has any hazardous markings, words, numbers, or symbols. See shipping details here.

📦 Fast and secure shipping with UPS Next Day Air

Next Day Air (Both Ways)

Shipping, both ways, is calculated at checkout. We will email you a shipping label during normal business hours (M-F, 8-5 CT).

Mail-In Only

We support mail-in unlocks only. In-person service isn’t available at this time. If you send an AirTag, tape it to the ECU.

Get the details

What's supported?

Supported ECU

  • Bosch MG1CS039 TC389

To confirm compatibility, perform a Bench Identification using an AutoTuner tool.

Compatible Vehicles

  • Ferrari 6.5i V12 (Dual ECU) - 12 Cilindari (2024+) & Purosangue (2022+)
  • Ferrari 3.0T V6 PHEV - F80 (2025+), 296 GTB / GTS (2022+), 296 Speciale (2025+)
  • Ferrari 3.9T & 4.0T V8 (Dual ECU) - 849 Testarossa (2025+), Amalfi (2025+)

Post Install Notes:

After reinstalling the ECU, some Ferrari models may require a system relearn.

Install the ECUs, then disconnect the battery and perform a capacitor discharge for 15 minutes. Reconnect the battery and clear all fault codes using a scan tool. Next, switch the ignition on without starting the engine for 15 seconds, then switch it off for 15 seconds. Finally, start the engine and allow it to idle until the cold-start cycle and relearn procedure are complete.

Once the relearn is finished, the vehicle can be driven normally or tuning can begin.

Think something's missing? Search our more comprehensive guide!

How does this work?

Get unlocked today

We make the entire process quick, simple, and straight forward.

Mail the ECU

Step 1

Mail the ECU

Buy the unlock from our website and we'll send you a next day air shipping label. Remove the ECU, package it, and drop it off at a UPS Access Point.

We Unlock It

Step 2

We Unlock It

The unlock process is quick and reliable and we do it in house in Auburn, Alabama, USA. We don't open the case or modify the board. It takes minutes.

Start Tuning

Step 3

Start Tuning

Usually less than 48-hours later, it's back in your hands. Reinstall and get down to tuning. Have fun!

FAQ

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