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
Aaron Rivera –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. When I got it, the unit was perfectly programmed to my Jeep’s VIN and truly plug-and-play, which made the installation straightforward. The whole process went smoothly, and I appreciated the clear communication from the seller throughout. Compared to the dealer’s quote, this service saved me a significant amount of money without sacrificing quality. My Wrangler is running great again, and I’d definitely use this service in the future.
Scott Smith –
I’m really impressed with this ECM for my 2005 Jeep Wrangler. The shipping arrived much quicker than I expected, and the unit was truly plug-and-play, making the installation hassle-free. Their professional service and clear communication made the whole process smooth, and I saved a significant amount compared to dealer pricing. Overall, a fantastic experience from start to finish.
Scott Lawrence –
The 56044542AA ECM arrived quickly and was truly plug-and-play—saved me a ton compared to dealer pricing. Installation went smoothly, and the whole process was hassle-free.
Aiden King –
The ECU arrived quickly with free shipping and was already programmed perfectly for my 2005 Jeep Wrangler—super easy plug-and-play setup. Customer support was very responsive and made the whole process hassle-free.