Description
2017 Chevrolet Silverado 4.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 Chevrolet Silverado 4.3L 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
Robert Morgan –
I ordered the 12674472 ECM for my 2017 Silverado and was really impressed by how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was the professional VIN programming they did before shipping, so it was literally plug-and-play when I got it. Installation was straightforward, and my truck fired right up without any issues. The seller also kept me informed during the process, which gave me peace of mind knowing my engine control module was handled with care. Overall, a great experience from start to finish!
Jacob Sanders –
I was really impressed with how smoothly the whole process went. The ECM arrived quickly and was already VIN programmed, so installation was straightforward with no extra hassle. I appreciated the seller’s prompt responses when I had a couple of questions about compatibility before purchase. Shipping was very reasonable too, which was a nice surprise. After swapping it into my 2017 Silverado, the truck ran perfectly—no error codes or drivability issues. Overall, a hassle-free experience from start to finish.
Jeremy Hudson –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2017 Silverado—installation was a breeze.
Great communication throughout the process and the plug-and-play setup meant I was back on the road in no time.
Fast turnaround and the unit worked flawlessly; their team answered all my questions promptly, which I really appreciated.
Colin Nichols –
I purchased the 12674472 ECM for my 2017 Chevrolet Silverado 4.3L and was really impressed with the plug-and-play setup. The unit arrived quickly with free shipping, which was a nice bonus. Their team kept me informed throughout the process, answering all my questions promptly. Installation went smoothly, and my truck runs like new again.