Description
2005 Jeep Wrangler 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Jeep Wrangler 4.0L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566





Sean Douglas –
I purchased the 56044539AB ECM for my 2005 Jeep Wrangler and was really impressed with the plug-and-play setup. It arrived quickly with free shipping, which was a nice bonus. The unit was already VIN programmed, so installation was straightforward and it worked perfectly right away. Customer service was also responsive when I had a couple of questions before ordering.
Jose James –
I was really impressed with how quickly the ECM arrived after I placed my order. The unit was fully VIN programmed and truly plug-and-play, which made installation straightforward with no hiccups. This saved me a significant amount compared to dealership prices, and their customer support was very responsive when I had a couple of questions. Overall, a smooth and professional experience that I’d highly recommend.
Sean Russell –
Got my 2005 Jeep Wrangler ECM with VIN programming fast and hassle-free, plus free shipping was a nice bonus. Their communication was spot on, answering all my questions promptly.
Kevin Lopez –
I recently replaced the ECM on my 2005 Jeep Wrangler with this unit, and I couldn’t be happier. The shipping was impressively fast, arriving well before I expected. When it came time to install, it was truly plug-and-play—no complicated programming on my end, everything just worked perfectly. The whole process was smooth and hassle-free, which really saved me a lot of money compared to the steep dealer prices. The communication from the seller was clear and professional, making me feel confident throughout the purchase. This was definitely the best choice to get my Jeep back on the road quickly and affordably.
James Foster –
Received the 56044539AB for my 2005 Jeep Wrangler super fast, and it was truly plug-and-play. Saved me a ton versus dealer prices, plus the installation went smoothly with helpful customer support.