Is Your Cadillac SRX Experiencing Mysterious Electrical or Performance Problems?
The Engine Control Module (ECM), often called the vehicle’s main computer, is the central command center for your 2010-2011 Cadillac SRX. It manages everything from fuel injection and ignition timing to transmission shifting and emissions control. When the ECM begins to fail, it can cause a cascade of confusing and frustrating problems that can be difficult to diagnose. You might experience a sudden loss of power, erratic engine behavior, or a dashboard lit up with warning lights. Don’t let a faulty computer keep your luxury SUV off the road. This direct-fit, VIN-programmed Engine Control Module is the definitive solution to restore your vehicle’s performance, reliability, and drivability.
From the Diagnostic Bay
We had a 2011 SRX with the 3.0L V6 come into the shop with a complaint of intermittent stalling at stoplights and a persistent P0606 (ECM/PCM Processor Fault) code. The owner had already replaced the spark plugs and an ignition coil with no success. After verifying power and ground to the module, we knew the internal processor was failing. Swapping in a generic, non-programmed module from a salvage yard wouldn’t work due to the vehicle’s immobilizer system. We installed one of our VIN-programmed modules, performed the 10-minute security relearn procedure, and the SRX ran perfectly. The customer was thrilled to have their vehicle back without the massive bill and wait time from the dealership.
Symptoms of a Failing 2010-2011 SRX Engine Module
A failing ECM can manifest in various ways. If you’re noticing any of the following issues, it’s a strong indicator that your engine computer may need replacement:
- ✔ Check Engine Light is on with various communication or processor-related codes (e.g., P0601, P0606).
- ✔ Engine cranks but refuses to start.
- ✔ Intermittent stalling or rough idling for no apparent reason.
- ✔ Noticeable decrease in fuel economy.
- ✔ Poor engine performance, hesitation, or misfires.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Cooling fans running constantly or not at all.
- ✔ Other vehicle modules (like the BCM or TCM) failing to communicate with the ECM.
The Simple, Reliable Solution: VIN-Specific Programming
Replacing an ECM isn’t as simple as swapping a battery. Modern vehicles have sophisticated anti-theft systems and vehicle-specific software. This is not a one-size-fits-all part. Our process eliminates the guesswork and the expensive trip to the dealer for programming. When you purchase this module, you provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). Our technicians then flash the module with the latest, most up-to-date GM factory software specifically for your SRX. This ensures that the computer has the correct calibration for your engine, transmission, and all factory-installed options. It arrives at your door ready for installation.
Guaranteed Compatibility & Fitment
This Engine Control Module is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your original part number is on this list or that your vehicle is listed below. This unit is a guaranteed fit for the following part numbers:
12616889, 12630908, 12637106, 12642665, 12650256, 12651993
It is specifically designed for the 2010-2011 Cadillac SRX (3.0L) and also fits a wide variety of other GM models, including the Equinox, Terrain, LaCrosse, CTS, Camaro, Impala, and more. Refer to the detailed fitment list to confirm compatibility with your specific vehicle and options.
Frequently Asked Questions
Do I need to do anything after installing this ECM?
Yes. While the main engine programming is complete, you or your mechanic will likely need to perform a security relearn procedure (also known as a key relearn or anti-theft relearn). This procedure syncs the new ECM with your vehicle’s existing keys and anti-theft system. In some cases, a Crankshaft Variation Relearn (CASE Relearn) may also be required. These procedures can typically be done with a capable bi-directional scan tool.
How do I provide my VIN number?
After you complete your purchase, please send us a message with your 17-digit VIN. You can typically reply to your order confirmation email. We cannot program and ship the module without your VIN, so providing it promptly will ensure faster processing of your order.
Is this part truly “plug-and-play”?
It is as close as it gets. The critical programming that requires expensive dealership equipment is already done. However, due to the integrated vehicle security systems, the final relearn procedures mentioned above are almost always necessary for the vehicle to start and run correctly. We always recommend installation by a professional automotive technician.
What happens if I forget to send my VIN?
Your order will be placed on hold. We will attempt to contact you via email to request the VIN. We cannot ship a non-programmed module, as it will not function in your vehicle. The order will not be processed until we receive a valid VIN for a compatible vehicle.
Will this fix my check engine light?
If the check engine light and associated symptoms are caused by a faulty ECM, then this part will be the solution. However, it is crucial that a proper diagnosis is performed before ordering. This module will not fix issues caused by other faulty sensors or mechanical problems. Due to the electronic nature and VIN-specific programming, this item is not returnable once it has been programmed and shipped.