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




Travis Parker –
I purchased the 56044527AF ECM for my 2005 Jeep Wrangler, and the whole process was smooth and hassle-free. The ECU arrived quickly with free shipping, which was a nice bonus. What really stood out was the plug-and-play programming service—they had it set up perfectly for my VIN before it shipped. The performance is flawless, and my Jeep runs like new again.
Hunter Murphy –
The VIN-programmed ECM arrived quickly with free shipping and was a seamless plug-and-play replacement—highly recommend for anyone needing a fast fix.
Austin Moore –
I was really impressed with how smoothly everything went when I ordered the 56044527AF ECM for my 2005 Jeep Wrangler. The unit came VIN programmed and ready to install, which saved me a lot of time and hassle. Shipping was surprisingly quick and didn’t cost much at all, which was a nice bonus. Throughout the process, the seller kept me informed and answered all my questions promptly, making me feel confident about my purchase. After installing it, my Jeep runs perfectly again—just like new.