Description
2014 Chevrolet Suburban 1500 5.3L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2014 Chevrolet Suburban 1500 5.3L 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



Henry Edwards –
Arrived quickly and fit perfectly—installation was a breeze with no hiccups. Exactly what my Suburban needed!
This ECM was ready to go right out of the box and saved me a huge headache. Super reliable and fast shipping too!
Plugged it in, and my truck fired up like new. Great quality and support made this swap stress-free.
Fast delivery and flawless programming—my Suburban runs smoother than ever. Highly recommend for anyone needing a quick fix!
The perfect match for my 2014 Chevy, with zero fuss during installation. Customer service was really helpful with my questions.
Ethan Cooper –
I recently replaced the ECM on my 2014 Chevy Suburban with this exact unit, and I couldn’t be happier with how smoothly everything went. The fact that it was already VIN programmed saved me a ton of time and hassle—I just plugged it in and fired up the engine without any issues. Shipping was quicker than I expected, and the module arrived in perfect condition. I was a bit nervous about doing this myself, but the instructions were straightforward, and the fit was perfect. Overall, this was a great buy that brought my truck back to life seamlessly.
Samuel Hill –
I installed this ECM on my 2014 Suburban last week, and I’m really impressed with how smooth the whole process was. It arrived sooner than I expected, and the VIN programming meant I didn’t have to worry about compatibility or setup. The unit fit perfectly, and the truck fired up right away without a hitch. It’s been running flawlessly since the swap, and I feel like the engine runs even a bit smoother than before. Definitely a worry-free upgrade for anyone needing a replacement ECU.
Swapping out my old ECM with this programmed unit was surprisingly hassle-free. It truly was just plug and play—no complicated coding or trips to the dealership required. The fit was spot on, and everything on my ’14 Suburban works exactly as it did before, if not better. Customer service was helpful when I had a couple of questions before ordering, which made me feel confident about the purchase. Overall, a smooth experience and a reliable product.
I wasn’t sure what to
Sean Morgan –
This ECM arrived quickly and was exactly as described for my 2014 Suburban. The VIN was already programmed, which made installation straightforward and hassle-free. It fired right up without any error codes, and I’m really impressed with how smoothly everything runs now. Great product and excellent customer support made the whole process a breeze.