Restore Peak Performance to Your Cadillac SRX
Is your 2009 Cadillac SRX suffering from perplexing issues like stalling, poor fuel economy, a persistent check engine light, or a complete no-start condition? These are common indicators of a failing Engine Control Module (ECM), the central computer that governs your vehicle’s engine performance. Don’t let a faulty computer keep you off the road. This direct-fit replacement Engine Control Module, part number 12628911, is the definitive solution to restore your vehicle’s reliability and drivability.
The ECM is the brain of your engine’s operation. It meticulously calculates and manages critical functions such as fuel injection timing, spark advance, idle speed, and emissions control systems. When it begins to fail, the symptoms can be intermittent and frustrating to diagnose. You might experience rough idling, hesitation during acceleration, or unexplained warning lights on your dashboard. Replacing a faulty ECM is not just about fixing a problem; it’s about restoring the precise, factory-intended operation of your engine for optimal power, efficiency, and longevity.
Symptoms of a Failing 2009 SRX Engine Module
If you’re experiencing any of the following issues, a failing ECM could be the culprit. This module is designed to resolve these common problems and get your vehicle running like new again.
- ✔ Check Engine Light: The most common symptom, often with codes related to sensors, misfires, or internal processor failure.
- ✔ Engine Stalling or Misfiring: The engine may stall unexpectedly while driving or at idle, and you may feel a noticeable hesitation or misfire.
- ✔ No-Start Condition: The engine cranks but refuses to start, often due to the ECM not firing the ignition coils or fuel injectors.
- ✔ Poor Fuel Economy: An inefficiently running engine, caused by incorrect fuel and air calculations, will lead to a noticeable drop in MPG.
- ✔ Failed Emissions Test: A malfunctioning ECM can’t properly manage the emissions systems, leading to an automatic failure.
- ✔ Communication Issues: Diagnostic scan tools may be unable to communicate with the ECM, indicating a serious internal fault.
- ✔ Harsh or Incorrect Shifting: The ECM communicates with the transmission controller, and a fault can lead to poor shifting performance.
The Critical Advantage: VIN-Specific Programming
What sets this module apart is our professional, VIN-specific programming service. When you order, you provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). We then use official GM equipment to load the latest, most stable factory software calibration specifically for your 2009 SRX. This crucial step ensures that the module communicates flawlessly with all other systems in your vehicle, from the transmission to the anti-lock brakes. It eliminates the need for an expensive trip to the dealership for programming, saving you time and money. Your new 2009 SRX Engine Module arrives ready for installation.
Broad Compatibility Across the GM Family
While this is a perfect fit for the 2009 Cadillac SRX with the 4.6L engine, this versatile E38 ECM, part number 12628911, is also a direct replacement for a wide array of other General Motors vehicles. It is interchangeable with service numbers 12636659, 12639300, 1263605, 12628993, 12625453, 12622175, 12630464, and 12678512. Please verify your part number and check the fitment list below to ensure compatibility with your specific make and model.
Installation Note:
Installation is a straightforward process for a qualified technician or an experienced DIYer. After physically swapping the module, you will need to perform a simple security relearn procedure (often called a Passlock or anti-theft relearn). This procedure syncs the new ECM to your vehicle’s keys and can typically be done without any special tools. Instructions for this procedure are widely available online or in service manuals.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. We handle all the programming for you before shipment. Simply provide your vehicle’s VIN during checkout, and the module will arrive with the latest GM software specific to your car, ready for installation.
What is a VIN and why do you need it?
The VIN (Vehicle Identification Number) is a unique 17-digit code for your vehicle. We use it to access the exact factory software and calibrations your car was built with, ensuring perfect compatibility and performance.
Is this part difficult to install?
The physical replacement is typically simple, involving disconnecting the battery, unplugging a few connectors, and unbolting the old module. The most important step after installation is the security relearn procedure, which syncs the new computer to your keys.
Will this fix my check engine light?
If the check engine light and associated codes are being caused by a faulty ECM, then yes, this replacement part will solve the issue. It’s crucial to have a proper diagnosis to confirm the ECM is the point of failure.
What happens if I forget to provide my VIN?
We cannot ship your order without a VIN. Programming is a mandatory part of this product offering to ensure it works correctly in your vehicle. We will contact you to retrieve the VIN if it’s missing from your order.
Is this compatible with other vehicles besides the 2009 SRX?
Yes, this module fits a wide range of GM vehicles from 2009-2012, including models like the Corvette, CTS, Colorado, Canyon, and Hummer H3. Please check the detailed fitment list on the product page to confirm compatibility.