2012 Captiva Sport ECM Engine Control Module 12630908

Is Your 2012 Captiva Sport Running Rough? The ECM Might Be the Culprit.

The Engine Control Module (ECM), often called the engine computer, is the electronic brain of your 2012 Chevrolet Captiva Sport. It controls a vast network of sensors and systems to manage everything from fuel injection and ignition timing to emissions and transmission shifting. When this critical component begins to fail, it can cause a cascade of confusing and frustrating problems, often leaving you stranded or dealing with a vehicle that’s unreliable and inefficient. If you’re experiencing erratic engine behavior, poor fuel economy, or a persistent Check Engine Light, you’ve come to the right place for a reliable, plug-and-play solution.

Common Symptoms of a Failing ECM

A faulty engine computer can manifest in numerous ways. If your Captiva Sport is exhibiting any of the following issues, a failing ECM is a likely cause:

• ✔ Check Engine Light: The most obvious sign. Often, you’ll see codes related to internal processor failure, communication errors (U-codes), or multiple unrelated sensor faults.
• ✔ Engine Stalling or Misfiring: The ECM may fail to correctly time spark or fuel delivery, leading to random stalling, rough idling, or a noticeable engine misfire.
• ✔ No-Start Condition: A completely failed ECM will not be able to activate the fuel pump or ignition coils, preventing the engine from starting at all, even if it cranks over.
• ✔ Poor Fuel Economy: Incorrect sensor readings or faulty fuel injector calculations can cause the engine to run too rich, drastically reducing your MPG.
• ✔ Transmission Shifting Problems: The ECM works closely with the Transmission Control Module (TCM). A faulty ECM can send incorrect data, leading to harsh shifting, delayed engagement, or the transmission getting stuck in one gear (limp mode).
• ✔ Intermittent Issues: Problems that come and go with temperature changes are a classic sign of failing electronics within the module. The vehicle might run fine when cold but start stalling once it warms up.

The Best Solution: A VIN-Programmed 2012 Captiva Sport ECM

Don’t settle for a generic, unprogrammed module from a salvage yard that will require expensive dealership programming. This Engine Control Module, part number 12630908, is the definitive solution for your vehicle. We take the guesswork and extra cost out of the repair by programming the unit specifically for your vehicle before it ever leaves our facility. All you need to do is provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number) during checkout. Our technicians will flash the module with the latest, most stable GM-certified software for your exact build. This ensures that your engine, transmission, and all related systems function exactly as the manufacturer intended, restoring lost performance and reliability.

This module is a direct replacement for a wide range of original equipment part numbers, including 12616889, 12630908, 12637106, 12642665, 12650256, and 12651993. It is meticulously inspected to guarantee function and is ready for installation right out of the box. While the core programming is complete, some vehicles may require a simple, on-vehicle security relearn procedure (often called a CASE relearn or anti-theft relearn), which can typically be done without special tools. Instructions for this procedure are widely available online or in service manuals.