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
Allan Hayes –
I ordered the 56044531AJ ECM for my 2005 Jeep Wrangler and was really impressed by the entire process. The unit arrived quickly with free shipping, which was a great bonus. The programming was spot on, and it was truly a plug-and-play experience—no hassles or extra trips to the mechanic. Overall, the quality of the ECM exceeded my expectations and my Jeep runs perfectly now.
Lucas Ward –
I was really impressed with how quickly the ECM arrived after ordering, and it fit perfectly in my 2005 Jeep Wrangler without any modifications. The unit was truly plug-and-play, making the installation straightforward even for someone with moderate experience. This saved me a huge amount compared to the dealer’s price, and the seller’s communication throughout the process was clear and professional. Overall, a smooth experience that got my Jeep running right again in no time.
Scott Nichols –
I was really impressed with how smoothly this ECM arrived. The VIN programming was spot on, so installation was practically plug-and-play with no headaches. Shipping was free and arrived much faster than I expected, which was a pleasant surprise. The part fit perfectly on my 2005 Jeep Wrangler 4.0L, and the engine runs better than it has in years. I also appreciated the seller keeping me informed throughout the process—it’s rare to find such great communication these days.
Russell Burton –
Fast shipping and the ECU was truly plug-and-play, saving me a ton over dealer prices. Installation went smoothly thanks to clear communication from the seller.
John Jenkins –
Got my 2005 Jeep Wrangler ECM quickly with free shipping, and it was already VIN programmed—plug-and-play made installation a breeze. Excellent customer support kept me informed every step of the way.