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



Paul Green –
The 56044528AH ECM for my 2005 Jeep Wrangler arrived much faster than I expected, which was a pleasant surprise. Installation was straightforward since it came VIN programmed and essentially plug-and-play, making the whole process hassle-free. The unit works perfectly, and having this option saved me a significant amount compared to dealer prices. Communication with the seller was clear and professional, which made the experience even better.
Mason Nichols –
The ECU arrived quickly and was truly plug-and-play, saving me a bundle compared to dealership prices. Installation was hassle-free and their communication was spot on.
Grant Brooks –
I’m really impressed with the 56044528AH ECM I bought for my 2005 Jeep Wrangler. The shipping was surprisingly quick, which was great because I needed to get my Jeep back on the road fast. When I received the unit, it was completely plug-and-play—no complicated setup or extra programming needed on my end. Installing it was smooth, and everything worked perfectly right away. This saved me a bunch of money compared to dealership prices, and the team’s communication throughout the process was clear and helpful. Definitely a hassle-free experience that I’d recommend to anyone needing a reliable replacement.
Eric Cooper –
The VIN-programmed ECM arrived fast with free shipping, and it worked perfectly right out of the box—highly recommend.
Great communication throughout the process and the plug-and-play setup made installation a breeze on my 2005 Jeep Wrangler.
Really impressed with their quick response to my questions and the updated ECM fit my Jeep perfectly without any issues.
Fast turnaround and the programming was spot on; my Wrangler runs like new again thanks to this replacement ECU.
Shipping was super reasonable and the professional programming saved me a lot of hassle—definitely a smooth experience.