Description
2004 Toyota Tacoma 3.4L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Toyota Tacoma 3.4L 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
Hunter Mitchell –
The 89666-04040 ECM for my 2004 Toyota Tacoma arrived quickly and was already VIN programmed, making installation straightforward. I appreciated the professional programming service included—it saved me a lot of hassle. The seller was very responsive and kept me informed throughout the process, which gave me confidence in the purchase. Overall, the unit works perfectly and the shipping was free, which was a great bonus.
Elijah Russell –
I was really impressed with how smoothly the whole process went when ordering the ECM for my 2004 Toyota Tacoma. The unit arrived quickly, and the fact that it was already VIN programmed saved me a ton of hassle. Shipping was free, which was a nice bonus on top of the reasonable price. They also kept me updated every step of the way, answering my questions promptly and making me feel confident about the purchase. Once installed, my truck started right up with no issues, and it’s running better than it has in years. Definitely a reliable company to buy from.
Cameron Baker –
Fast shipping and the unit was truly plug-and-play, saving me a ton compared to dealer prices. Installation was smooth and the support team was very responsive.
Grant Sharp –
I’m really impressed with how quickly this ECM arrived — shipping was definitely faster than I expected. The unit was perfectly programmed and truly plug-and-play, which made installation completely hassle-free. Compared to dealer prices, this purchase saved me a significant amount of money, and the seller’s communication throughout the process was very professional. Overall, a smooth experience from start to finish.
Harvey Gonzalez –
I ordered the 89666-04040 ECM for my 2004 Toyota Tacoma and couldn’t be happier with the experience. From start to finish, the team kept me informed about the progress and even answered my questions promptly whenever I reached out. The ECU arrived quickly with free shipping, which was a nice bonus. Installation was straightforward since it came VIN programmed and ready to go—no hassle or extra programming needed. My truck runs perfectly now, and I genuinely appreciate the professionalism and care they put into the whole process.
Miguel Hayes –
Arrived quickly with free shipping, and the ECU was perfectly programmed for my 2004 Tacoma—couldn’t be happier with the smooth install.
The plug-and-play setup made replacing my Tacoma’s ECM a breeze, and their team answered all my questions promptly.
Great service with fast turnaround, and the VIN-programmed ECU worked flawlessly right out of the box.
Shipping was super reasonable, and the updated ECM had my Tacoma running like new again in no time.
Excellent communication throughout the process and a professional programming service that saved me a lot of hassle.
Liam Brooks –
I recently purchased the 89666-04040 ECM for my 2004 Toyota Tacoma, and I couldn’t be happier with the experience. The shipping arrived much faster than I expected, which was a pleasant surprise. Once I received the unit, the installation was incredibly straightforward—it was truly plug-and-play, saving me the hassle of complicated setups. What impressed me the most was how much money I saved compared to going through the dealer, who quoted me an exorbitant price. The customer service was also very responsive, answering all my questions promptly. Overall, this purchase made fixing my truck stress-free and affordable.