Is Your Cadillac SRX Running Rough, Stalling, or Showing a Check Engine Light?
As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing Engine Control Module (ECM) can turn a reliable vehicle into a source of constant frustration. If your 2009 SRX is experiencing unpredictable behavior like poor fuel economy, hesitation, or a dreaded no-start condition, the problem often points directly to the engine’s computer. This isn’t just a part; it’s the brain of your engine, and when it falters, everything else does too.
This is a direct-fit, professionally programmed Engine Control Module for your 2009 Cadillac SRX. We take the guesswork and expensive dealer visits out of the equation. Simply provide us with your vehicle’s VIN during checkout, and our experts will flash this module with the latest, most stable software updates directly from GM. It arrives at your door ready for a straightforward installation, restoring the precise performance and reliability you expect from your Cadillac.
The Simple Solution for Complex Engine Problems
Don’t let a faulty computer keep you off the road. A failing ECM can trigger a cascade of confusing issues. I’ve diagnosed hundreds of these, and the symptoms are often misattributed to other components. This module is the definitive fix for a wide range of problems.
- โ Eliminate Stalling & Hesitation: Restores correct fuel and ignition timing for smooth operation.
- โ Fix False Check Engine Lights: Solves persistent error codes that other repairs can’t seem to fix.
- โ Restore Fuel Economy: Ensures the engine is running at peak efficiency as designed by the factory.
- โ Pass Emissions Testing: Corrects data processing errors that can cause an automatic smog check failure.
- โ Plug-and-Play Solution: Arrives programmed to your specific VIN. No additional programming is required.
Expert Pro Tip from a 20-Year Veteran: Before you install your new ECM, take five minutes to inspect the wiring harness connectors for any signs of corrosion, moisture, or bent pins. I’ve seen brand new modules get damaged immediately because of a pre-existing short in the harness. A quick spray with electronics cleaner and a careful inspection can prevent a costly mistake and ensure your new module has a long, reliable service life.
Easy Installation for Your 2009 SRX Engine Control Module
You can perform this replacement yourself with basic hand tools, saving you hundreds in labor costs. Our goal is to empower you to get the job done right.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the ECM: On your 2009 SRX, the ECM is typically found in the left-hand (driver’s side) of the engine compartment.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. Then, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed ECM in place and securely reconnect the electrical connectors. Ensure they click into place.
- Final Step: Reconnect the negative battery terminal. The vehicle may need to run for a few minutes to complete its internal relearn processes. That’s itโno dealer required!
Guaranteed Compatibility
This ECM is a direct replacement for a wide range of GM vehicles. If your original module has one of the following service numbers, this part is a guaranteed match:
Interchangeable Part Numbers: 12636659, 12639300, 1263605, 12628993, 12628911, 12625453, 12622175, 12630464, 12678512.
While this listing is focused on the 2009 Cadillac SRX, this module also fits models like the Corvette, CTS, Hummer H3, Colorado, Canyon, and more, ensuring broad OEM-level compatibility and performance. By providing your VIN, you guarantee you receive a module programmed specifically for your vehicle’s exact configuration.