Is Your Vehicle Running Poorly? It Could Be The ECM.
The Engine Control Module (ECM), often called the vehicle’s main computer, is the central nervous system of your car’s engine. When it begins to fail, it can cause a cascade of confusing and frustrating problems, from a simple check engine light to a car that won’t start at all. If you’re experiencing erratic engine behavior, poor fuel economy, or stalling in your Cadillac CTS, SRX, or Buick Allure/LaCrosse, a faulty ECM is a likely culprit. This genuine, used OEM Engine Control Module, part number 12592124, is the direct-fit solution to restore your vehicle’s performance and reliability.
Common Symptoms of a Failing Engine Computer
- ✔ Persistent Check Engine Light (CEL) that won’t clear or returns immediately.
- ✔ Engine stalling, stumbling, or hesitating for no apparent reason.
- ✔ Complete no-start or intermittent starting issues.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Rough or erratic idling.
- ✔ Shifting problems in automatic transmissions.
- ✔ Failure to communicate with diagnostic scan tools.
The Plug-and-Play Solution: A Pre-Programmed Cadillac CTS ECM
One of the biggest hurdles in replacing an ECM is the need for expensive programming at a dealership. Our service completely eliminates that step. When you purchase this module, you provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). Our technicians will then flash the unit with the latest, most stable software updates directly from GM, ensuring it is perfectly matched to your vehicle’s specific configuration. This makes the installation process as simple as possible, saving you hundreds of dollars in programming fees and towing costs.
This module is a direct replacement for several service numbers, including 12581144, 12588472, 12592124, and 19260507. It has been carefully removed from a salvaged vehicle and inspected to ensure functionality. You are getting a reliable, factory component ready to solve your vehicle’s issues.
Vehicle Fitment Information:
Please verify your vehicle and options below to ensure compatibility. This part is a confirmed fit for the following vehicles:
- Cadillac CTS: 2004-2007 (Base models, check ID)
- Cadillac SRX: 2004-2006 (3.6L engine)
- Buick Allure: 2005-2008 (3.6L engine)
- Buick LaCrosse: 2005-2008 (3.6L engine)
- Buick Rendezvous: 2004-2006 (3.6L engine, check ID)
Note: While this Cadillac CTS ECM is programmed to your VIN, some vehicles may require a simple, on-vehicle security relearn procedure or a Crankshaft Variation (CASE) relearn to sync with your specific vehicle. These procedures can often be done without special tools and instructions are widely available.
Frequently Asked Questions
Do I need to have this computer programmed by a dealer?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before we ship it to you. This makes it a direct-fit part, saving you time and money.
What information do you need from me?
After you place your order, you must provide us with your 17-digit Vehicle Identification Number (VIN). This is critical for us to load the correct software for your car’s features and systems.
Where can I find my VIN?
Your VIN is typically located on a metal plate on the driver’s side dashboard (visible through the windshield), on the driver’s side door jamb sticker, and on your vehicle’s registration and insurance documents.
Is this a new part?
No, this is a genuine OEM part that has been sourced from a professionally salvaged vehicle. Each unit is inspected to ensure it is in good working condition before being programmed and shipped.
What other part numbers will this module replace?
This ECM, part number 12592124, is a direct replacement for service numbers 12581144, 12588472, and 19260507.
Will I need to do anything after installing it?
In some cases, a security relearn or a CASE (Crankshaft Position Sensor Variation) relearn may be required. These are simple procedures that sync the new ECM with your car’s anti-theft system and crankshaft sensor. Instructions can typically be found online or in a service manual.