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
Caleb Wallace –
I was really worried about finding a reliable ECM for my 2005 Jeep Wrangler, but this 56044533AJ unit exceeded my expectations. The shipping arrived much faster than I anticipated, which was a huge relief. When I got it, the unit was plug-and-play and fit perfectly without any issues. Installation was smooth, and the instructions were clear enough that I handled it myself without a hitch. What really stood out was the cost – this saved me a ton compared to the dealer’s price. Plus, the communication from the seller was top-notch, answering all my questions promptly.
Adam Bates –
Fast shipping and the ECU was truly plug-and-play, saving me a ton versus dealer prices. Installation went smoothly thanks to clear communication and the quick turnaround was impressive.
Spencer Bailey –
Received the programmed ECM quickly with free shipping, and it fit my 2005 Jeep Wrangler perfectly—very impressed with the seamless plug-and-play setup.
Spencer Green –
I ordered the 56044533AJ ECM for my 2005 Jeep Wrangler and was really impressed by how quickly it arrived. The unit was fully VIN programmed and plug-and-play, which made installation straightforward with no hassles. Compared to the dealer’s quote, this service saved me a significant amount of money, and their communication throughout the process was clear and professional. Overall, a smooth experience that got my Jeep back on the road fast.