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 for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Jordan Gray –
I was really relieved to find this 2005 Jeep Wrangler ECM already VIN programmed and ready to go. Installation was straightforward, and the plug-and-play setup saved me a lot of hassle. The team kept me informed throughout the process and answered all my questions promptly, which made me feel confident about my purchase. Shipping was free and arrived well within the estimated time frame. Overall, the quality of the unit seems top-notch, and my Jeep is running smoother than ever. I’d definitely recommend this to anyone needing a reliable ECM replacement.
Aaron Richardson –
Great ECM for my 2005 Jeep Wrangler—arrived quickly with free shipping and was perfectly programmed for a simple plug-and-play install. Communication was spot on throughout the process.
Blake Brooks –
I was really impressed with how smoothly the whole process went with this ECU for my 2005 Jeep Wrangler. The unit arrived quickly, and the best part was that it came VIN programmed, so installation was basically plug-and-play. I had a couple of questions before ordering, and their customer service answered me promptly and clearly, which gave me confidence. Since installing it, my Jeep runs better than it has in years—no more random stalling or check engine lights. Definitely worth the purchase and their professionalism.
Justin Morris –
Received the 56044539AJ ECM for my 2005 Jeep Wrangler much faster than I expected, and the free shipping was a nice bonus. The unit came pre-programmed to my VIN, which made installation a breeze—just plug and play. The quality feels solid, and my Jeep runs smoother than before. Customer service was helpful when I had a couple of questions before ordering, responding quickly each time.