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




Harrison Walker –
Super fast shipping and the ECU was truly plug-and-play. Saved me a bundle versus the dealer and installation was a breeze.
Nicholas Taylor –
The 56044531AD ECM for my 2005 Jeep Wrangler arrived quicker than I expected, which was a huge relief. Installation was straightforward since the unit was fully programmed and plug-and-play, saving me hours of frustration. Compared to dealer prices, this purchase saved me a significant amount of money without compromising quality. Customer support was attentive and helped ensure everything went smoothly from order to delivery.
Cole Collins –
Got my 2005 Jeep Wrangler ECM with VIN programming, and it was a breeze to install thanks to their plug-and-play service. Shipping was quick and free, making the whole process hassle-free.
Adam Scott –
I was really impressed with the plug-and-play setup of this ECM for my 2005 Jeep Wrangler. It arrived quickly and was already VIN programmed, which saved me a lot of hassle. The shipping was very reasonable, and the quality of the part feels top-notch. Overall, a smooth experience from purchase to installation.