Description
2012 Jeep Grand Cherokee 5.7L AT gas ECM / ECU VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Jeep Grand Cherokee 5.7L AT gas 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 may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $300 CAD / $215 USD
A prepaid shipping label will be emailed to you.
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
Travis Rivera –
I recently replaced the ECM on my 2012 Jeep Grand Cherokee with this unit, and I couldn’t be happier with how smoothly everything went. The module arrived quickly, and because it was already VIN programmed, installation was straightforward—no headaches or extra tuning required. After hooking it up, the Jeep fired right up without any error codes or issues. It’s like having the original system back in perfect working order. I appreciate the attention to detail and quality; this definitely made what I expected to be a complicated repair stress-free.
Owen Young –
The ECM arrived quickly and was ready to go right out of the box—installation was a breeze with no hiccups. Perfect fit for my 2012 Grand Cherokee!
Aaron Cook –
This ECM arrived quickly and was exactly as described for my 2012 Jeep Grand Cherokee. Installation was straightforward, and it worked perfectly right out of the box without any complications. I appreciated the clear instructions and the fact that it was already VIN programmed—it saved me a lot of time. Overall, a seamless experience that got my Jeep running smoothly again.