Is Your GM Vehicle Running Rough? It Could Be The ECM.
The Engine Control Module, or ECM, is the central computer of your vehicle’s powertrain. It’s responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it starts to fail, it can cause a cascade of confusing and frustrating problems that can be difficult to diagnose. You might be experiencing a persistent check engine light, poor fuel economy, stalling, or even a complete no-start condition. Don’t let a faulty computer keep your car off the road. This direct-fit replacement ECM is the solution you need to restore your vehicle’s performance and reliability.
From the Diagnostic Bay
We once had a 2012 Cadillac CTS come in with an intermittent stalling issue that was driving the owner crazy. Two other shops had already replaced the fuel pump and a handful of sensors, but the problem persisted. After hooking up our diagnostic scanner and monitoring live data, we noticed erratic readings from the crankshaft position sensor, but the sensor itself tested fine. The real culprit? The ECM was intermittently dropping the sensor’s signal. We installed a VIN-programmed ECM just like this one, performed the security relearn, and the car ran perfectly. It’s a classic case of chasing symptoms when the root cause is the brain itself.
Common Symptoms of a Failing ECM
- ✔ Persistent Check Engine Light (CEL) with various trouble codes.
- ✔ Engine stalling, stumbling, or misfiring unexpectedly.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Difficulty starting the engine or a complete no-start condition.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Loss of power and poor acceleration.
The Plug-and-Play Solution: A Pre-Programmed 2010 Allure Engine Module
What sets this module apart is our professional programming service. A replacement ECM is not a simple bolt-on part; it must be specifically coded to your vehicle’s unique Vehicle Identification Number (VIN). Without this critical step, the module will not communicate with the other computers in your car, and it simply won’t work. We take the guesswork and extra expense out of the equation. When you purchase this 2010 Allure Engine Module, we will flash it with the latest, most up-to-date software directly from GM, using your VIN. This ensures that it is a true plug-and-play solution, ready for installation right out of the box. This process corrects many factory bugs and improves overall vehicle operation.
Guaranteed Compatibility
This ECM is a direct replacement for a wide range of General Motors vehicles. Please verify that your original part number is on this list to ensure proper fitment. This module replaces the following part numbers: 12616889, 12630908, 12637106, 12642665, 12650256, 12651993.
It is compatible with models such as the Buick Allure, LaCrosse, Regal; Cadillac CTS, SRX; Chevrolet Camaro, Captiva Sport, Equinox, Impala, Orlando; GMC Terrain; and Saab 9-5. Please refer to the detailed fitment list to confirm compatibility with your specific year, model, and engine option.
Frequently Asked Questions
How does the programming process work?
After you place your order, simply send us your vehicle’s 17-digit VIN. Our technicians will use this number to load the correct, factory-approved software and calibrations onto the module before it ships. This makes installation much simpler for you or your mechanic.
Will I need to do anything else after installing this ECM?
In most cases, you will 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 anti-theft system and can typically be done without special tools. Instructions are readily available online for most GM models. Some vehicles may also require a crankshaft position sensor variation relearn, which requires a capable scan tool.
Is this a new or used part?
This is a high-quality, tested, and inspected used OEM part. Each unit is verified to be fully functional before being programmed and shipped, ensuring you receive a reliable and cost-effective solution.
What is the warranty on this module?
This part comes with our standard warranty, guaranteeing it against defects in function. Please see our warranty page for complete details and terms. We stand behind the quality of our programmed modules.
How do I find my original part number?
The part number is printed on a sticker on the case of your current ECM. You will need to locate the module in your vehicle (often in the engine compartment or under the dash) and read the number directly from the label. Matching this number to our list is the best way to ensure compatibility.