Is Your 2012 Cadillac SRX Running Rough?
If your Cadillac SRX is experiencing frustrating issues like a persistent check engine light, poor fuel economy, stalling, or a complete no-start condition, a failing Engine Control Module (ECM) is a very likely culprit. The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it begins to fail, it can cause a cascade of problems that are often difficult to diagnose, leading to wasted time and money on unnecessary repairs.
We had a 2012 Cadillac SRX come into the shop with an intermittent stalling problem that was driving the owner crazy. It wouldn’t store any consistent trouble codes, and two other shops had already replaced the fuel pump and a few sensors without success. After running a full diagnostic sweep and checking communication lines, we suspected the ECM was failing internally under certain conditions. We installed one of our VIN-programmed modules, and the problem vanished instantly. The customer was thrilled to have their reliable luxury SUV back on the road without another expensive trip to the dealership.
Common Symptoms of a Failing ECM
- ✔ Persistent Check Engine Light (CEL) with various codes
- ✔ Engine stalling or shutting off while driving
- ✔ Rough or erratic idling
- ✔ Noticeable decrease in fuel efficiency
- ✔ Hesitation or stumbling during acceleration
- ✔ Transmission shifting problems or getting stuck in gear
- ✔ Complete no-start condition where the engine cranks but won’t fire
- ✔ Communication errors with diagnostic scan tools
The Plug-and-Play Solution: Your 2012 SRX Engine Control Module
Don’t let a faulty computer keep your vehicle off the road. This replacement 2012 SRX Engine Control Module is the definitive solution to restore your vehicle’s performance and reliability. What sets our service apart is the critical programming we perform before the part ever leaves our facility. Simply provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN) during checkout, and our technicians will flash the module with the latest, most stable software updates directly from GM. This ensures that the ECM is perfectly matched to your SRX’s specific configuration, including its engine, transmission, and factory options.
This pre-programming process makes installation straightforward. In most cases, it’s a direct swap, eliminating the need for expensive dealership programming or specialized scan tools. You receive a part that is ready to be installed right out of the box, getting you back on the road faster and with less hassle.
Guaranteed Compatibility
This ECM is a direct replacement for a wide range of General Motors vehicles and is compatible with multiple service part numbers. If your original module has part number 12651994, 12643248, 12652814, or AA69, this unit is the correct fit for your vehicle. While this listing focuses on the 2012 SRX Engine Control Module, it also fits many other models, including the Cadillac CTS, Buick LaCrosse, Chevrolet Camaro, GMC Terrain, and more. Please verify the part number on your original module to ensure a perfect match.
What exactly does the ECM do?
The Engine Control Module (ECM), or engine computer, is the brain of your vehicle’s engine. It uses sensors to monitor engine conditions and makes real-time adjustments to the fuel mixture, spark timing, and other systems to ensure optimal performance, fuel economy, and emissions.
Is this ECM ready to install when I receive it?
Yes! This is the key benefit of our service. We program the module to your vehicle’s specific VIN before we ship it. This means it arrives ready for installation, saving you the time, cost, and hassle of having it programmed at a dealership.
Where do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on the driver’s side of the dashboard, visible through the windshield.
Will I need to do anything else after installing the new ECM?
In many cases, no further action is needed. However, some GM vehicles may require a simple security relearn procedure (often called a Passlock or anti-theft relearn) to sync the new ECM with the vehicle’s security system. This procedure can typically be done without any special tools and instructions are readily available online.
How do I confirm this part fits my vehicle?
The best way is to match the part number from your original ECM to one of the compatible numbers listed: 12651994, 12643248, or 12652814. While our fitment list is extensive, matching the part number is the most accurate method.