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



Austin Graham –
I was a bit nervous about ordering an ECM online, but this 56044499AC for my 2005 Jeep Wrangler arrived quickly and was exactly as described. The best part was the plug-and-play setup—they had it VIN programmed and ready to go, so I didn’t have to worry about any complicated installation or coding. Shipping was free, which was a nice bonus, and the whole process was smooth from start to finish. After swapping it in, my Jeep ran like new again. Definitely recommend this seller if you want a hassle-free experience.
Ethan Bates –
I ordered the 56044499AC ECM for my 2005 Jeep Wrangler, and I’m really impressed with how smooth the whole process was. The unit came VIN programmed and ready to install, which saved me a ton of time and hassle. Shipping was very reasonable and arrived right on schedule. Their customer service was great too—they answered my questions promptly and kept me informed throughout the entire process.
Jack Mitchell –
Great experience from start to finish—fast shipping and the VIN programmed ECU fit perfectly with no hassle. Highly recommend!
Scott Scott –
I had been struggling with my 2005 Jeep Wrangler’s ECM for a while and decided to give this updated 56044499AC unit a try. The ordering process was straightforward and the shipping was surprisingly fast and free, which was a nice bonus. When the module arrived, it was already VIN programmed, so installation was a breeze—no complicated setups needed. I appreciated how the seller kept me informed throughout the process, answering my questions quickly and professionally. Since putting it in, my Jeep runs smoother than it has in years. Definitely worth it!