Description
2004 Cadillac Escalade 5.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Cadillac Escalade 5.3L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Miguel Hayes –
Excellent quality ECM, arrived quickly with free shipping and was perfectly VIN programmed for my 2004 Escalade. The plug-and-play setup saved me a lot of hassle!
Andrew Anderson –
I purchased the 2004 Cadillac Escalade 5.3L ECM from this seller and was impressed by how quickly they programmed it to my VIN. The plug-and-play setup made installation straightforward, and the engine started right up without any issues. Shipping was reasonable and arrived sooner than expected, which was a big plus. Overall, a smooth experience from start to finish.
Max Graham –
I was nervous about ordering a used ECM for my 2004 Cadillac Escalade, but this unit arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The best part was how quickly they handled everything—from my order to shipping, it was all very smooth and arrived faster than I expected. The team also stayed in touch throughout the process, answering my questions promptly and making sure I understood each step. Once installed, my Escalade started right up with no issues. I’m really impressed with the quality and customer service here and would definitely buy from them again.
Jose Carter –
Fast shipping and the ECM arrived perfectly programmed—plug-and-play was a breeze. Saved me a ton compared to dealer prices and everything worked flawlessly.