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




Austin Allen –
The ECM arrived quickly and was plug-and-play, saving me a ton compared to dealer prices. Installation was hassle-free and the communication was top-notch.
Jordan Nelson –
I ordered the 68153855AC ECM for my 2012 RAM 5.7L and was really impressed with how smoothly everything went. The unit came VIN programmed and was truly plug-and-play, which saved me a ton of hassle. Shipping was quick and reasonably priced, and their team kept me updated throughout the entire process. The engine runs perfectly now, and I couldn’t be happier with the service.
Grant Peterson –
I recently purchased the 68153855AC ECM for my 2012 RAM 5.7L, and I couldn’t be happier with how everything turned out. The unit arrived quickly, thanks to the very reasonable shipping cost, which was a nice surprise compared to other places. What stood out was their professional VIN programming service—my truck fired up immediately without any hiccups. The team also kept me informed throughout the process, answering all my questions promptly. Overall, this was a seamless experience, and my RAM is running like new again.
Ryan Little –
Fast shipping and the VIN programmed ECM fit perfectly—plug-and-play made installation a breeze.