






Start tuning now! Get your Continental / Vitesco GPEC2, GPEC2A, GPEC3, GPEC4, or GPEC4LM ECUs unlocked right here in the USA with our quick and convenient mail-in unlocking service and same-day turnaround. This unlock enables OBD tuning on supported Dodge, Ram, Jeep, Chrysler, Fiat, Alfa Romeo, and Lancia vehicles!
✅ If you own an AutoTuner Tool you can unlock this ECU in house without having to send it in for an unlock!
Unsure if your vehicle is supported? Search our guide!
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
Shipping, both ways, is calculated at checkout. We will email you a shipping label during normal business hours (M-F, 8-5 CT). If you send an AirTag, tape it to the ECU.
Don’t want to mail your ECU? Remove it and bring it to our Auburn, AL HQ and we’ll unlock it in person. Email info@autotuner.com before you purchase.

How does this work?
We make the entire process quick, simple, and straight forward.
Step 1
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.
Step 2
The unlock process is quick and reliable and we do it in house in Auburn, Alabama, USA.
Step 3
Usually less than 48-hours later, it's back in your hands. Reinstall and get down to tuning. Have fun!
FAQ
Here's what most people are asking.
Nope! If you own an AutoTuner Tool, you can do it in-house.
Yes!
Remove your ECU and bring it to us, and we’ll unlock it in person.
To order, email info@autotuner.com before checkout to avoid shipping charges. We’re located at 851 Stage Road, Auburn, Alabama, 36830. Contact us to schedule your visit.
At check out we'll calculate shipping, which includes shipping the ECU to us and back to you. We use UPS Next Day Air in the USA and UPS World Wide Saver for international orders. We get phenomenal rates and pass the savings to you.
Where is my shipping label?
You'll receive the shipping label in your email during our normal M-F, 8-5 Central business hours. It may take a moment to hit your inbox while we process orders each morning and evening. Make sure to check the junk or spam folder, just in case.
How do I package the ECU?
Securely package the ECU(s) in a small box no larger than 14" x 13" x 6" and use the label emailed to you. If you send an AirTag, make sure you tape it to the ECU so it doesn't get lost in the box.
⚠️ CRITICAL PACKAGING INFORMATION ⚠️
Do NOT reuse shipping boxes that display any hazardous material markings. UPS automatically scans packages for hazardous material indicators. Boxes with these markings may be rejected, returned, or DESTROYED by the carrier. Do NOT use boxes with: Hazard diamond labels, Lithium battery labels, UN numbers (UN####), Limited Quantity or Dangerous Goods labels, or Words such as: acid, aerosol, alcohol, battery, biohazard, butane, chemical, combustible, compressed, controlled substance, corrosive, dangerous, diesel, drug or drug name, explosive, ethanol, fire, flammable, fluid, fuel, gas, gasoline, hazardous, hazardous material, hazmat, infectious, limited quantity, limited qty, lithium, li-ion, li-metal, LQ, medical, medicine or medicine name, needles, oil, organic, ORM-D, oxidizer, paint, peroxide, pesticide, poison, poisonous, pressurized, propane, radioactive, solvent, thinner, toxic, warning, or anything similar in any language.
Always use a plain cardboard box with no hazardous labels or markings, roughly 14" × 13" × 6" in size.
Where do I take it?
Then take the package to any UPS access point.
What if I don't have a printer or a box?
If you don't have a printer or a box, many UPS access points can handle all of this for you.
Where does it ship to?
All ECUs are sent directly to our U.S. headquarters:
AutoTuner USA
851 Stage Rd
Auburn, Al 36830
USA
Important: Some vehicles use two ECUs. If your vehicle has a dual-ECU setup, you’ll need to purchase an unlock service for each unit.
Want to speak to a human? We're a fully staffed, U.S.-based operation located in Auburn, Alabama. When you send us your ECU, it’s going directly to our team, and nowhere else, and not to an unknown location or an unlisted service. You can reach us easily, and you’re always welcome to contact us in whatever way works best for you.
Here’s how to get in touch:
Mailing Address
851 Stage Road, Auburn, Alabama 36830
Live Chat
Use the chat window on our site
Social Media
Find us as @AutoTunerUSA on nearly every platform. Just look for our logo!
Each ECU is different, so always refer to our guide for supported methods.
For unlocks that support Bench or Boot, the AutoTuner Tool is guaranteed to be compatible.
For unlocks that support OBD, the AutoTuner Tool is guaranteed to be compatible. We can't guarantee all tools will be compatible, but we don't lock anyone out or restrict flashing to our tools.
We're doing the unlock in house at our headquarters in the USA. Typically they are shipped back the same day we receive them. We process ECUs during normal business hours: M-F, 8-5 Central. We ship UPS Next Day Air in the USA, or UPS World Wide Express internationally.