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




Allan Hayes –
I ordered the 56044531AJ ECM for my 2005 Jeep Wrangler and was really impressed by the entire process. The unit arrived quickly with free shipping, which was a great bonus. The programming was spot on, and it was truly a plug-and-play experience—no hassles or extra trips to the mechanic. Overall, the quality of the ECM exceeded my expectations and my Jeep runs perfectly now.
Lucas Ward –
I was really impressed with how quickly the ECM arrived after ordering, and it fit perfectly in my 2005 Jeep Wrangler without any modifications. The unit was truly plug-and-play, making the installation straightforward even for someone with moderate experience. This saved me a huge amount compared to the dealer’s price, and the seller’s communication throughout the process was clear and professional. Overall, a smooth experience that got my Jeep running right again in no time.
Scott Nichols –
I was really impressed with how smoothly this ECM arrived. The VIN programming was spot on, so installation was practically plug-and-play with no headaches. Shipping was free and arrived much faster than I expected, which was a pleasant surprise. The part fit perfectly on my 2005 Jeep Wrangler 4.0L, and the engine runs better than it has in years. I also appreciated the seller keeping me informed throughout the process—it’s rare to find such great communication these days.
Russell Burton –
Fast shipping and the ECU was truly plug-and-play, saving me a ton over dealer prices. Installation went smoothly thanks to clear communication from the seller.
John Jenkins –
Got my 2005 Jeep Wrangler ECM quickly with free shipping, and it was already VIN programmed—plug-and-play made installation a breeze. Excellent customer support kept me informed every step of the way.