Description
2012 Lexus IS250 2.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Lexus IS250 2.5L 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



Jonah Baker –
I had a great experience purchasing the 2012 Lexus IS250 ECM from this seller. The unit arrived quickly with free shipping, which was a nice surprise. What really stood out was the plug-and-play setup—they had it programmed to my VIN before shipping, so installation was seamless. The quality of the ECM feels top-notch, and my car runs perfectly now. The seller also kept me informed throughout the entire process, which made me feel confident about the purchase. Overall, a smooth and hassle-free transaction from start to finish.
Adam Clark –
The ECU arrived quickly with free shipping and was already programmed, making installation a breeze. Excellent service from start to finish!
John Taylor –
I bought the 89661-53J90 ECM for my 2012 Lexus IS250 and was impressed by how straightforward the process was. The unit arrived quickly with free shipping, which was a pleasant surprise. Their team handled the VIN programming professionally, so it was essentially plug-and-play once installed. Communication was also excellent—they kept me informed every step of the way, which gave me great peace of mind.
John Gonzalez –
I was a bit nervous about buying an ECM online, but this 2012 Lexus IS250 unit was exactly what I needed. The plug-and-play setup made installation straightforward, and I didn’t have to worry about additional programming. Shipping was surprisingly fast and didn’t cost me an arm and a leg, which was a huge relief. Throughout the process, the seller kept me informed with updates, so I always knew where my part was. After I installed it, the car ran smoothly like new—definitely worth the purchase.