Description
2012 RAM Ram Truck 5.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 RAM Ram Truck 5.7L 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



Anthony Wilson –
Arrived quickly with free shipping and the plug-and-play setup was flawless—had my truck running like new in no time. Communication was top-notch and they answered all my questions right away.
Elijah Graham –
The plug-and-play ECM arrived quickly and worked perfectly, saving me a ton compared to dealer prices. Great communication and a hassle-free install made this a no-brainer.
Justin Moore –
I purchased the 68064921AA ECM for my 2012 RAM 5.7L, and I’m really impressed with the quality and performance. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was how smoothly the VIN programming was handled—everything was plug-and-play with no issues. The seller also kept me informed throughout the process, which gave me confidence in my purchase.
Kevin Smith –
The 68064921AA ECM arrived really quickly, and it was truly plug-and-play — no complicated setup required. Installing it was straightforward, and my 2012 RAM started right up without any issues. The whole experience saved me a lot compared to dealership pricing, plus their customer support was helpful and responsive throughout. Highly recommend this unit for anyone looking to avoid dealer markups.