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
Brandon Perez –
I had been struggling with my 2005 Jeep Wrangler’s ECM for a while, so I decided to order this VIN programmed unit. The whole process was seamless from start to finish, and I was really impressed with how quickly they shipped it out at no extra cost. Installation was straightforward since the ECU came pre-programmed, saving me the hassle of additional tuning. After putting it in, my Jeep fired right up and runs smoother than it has in years. Definitely recommend this product and the service if you want a hassle-free fix.
Diego Reynolds –
I ordered the 56044539AA ECM for my 2005 Jeep Wrangler and was impressed with how quickly it arrived with free shipping. The unit was already VIN programmed, so installation was straightforward with no additional hassle. The communication from the seller was excellent—they answered all my questions promptly and kept me informed throughout the process. My Jeep runs perfectly now, and I’m very satisfied with the quality and service.
Tyler Adams –
This ECM arrived quickly with free shipping and was perfectly programmed for my 2005 Jeep Wrangler—made installation a breeze. Excellent communication throughout the process and spot-on programming; highly recommend!