2012 Impala Engine Control Module ECM 12651993 Programmed

Restore Your Vehicle’s Drivability

Get your car back on the road with this VIN-programmed Engine Control Module. It arrives flashed with the latest GM software for your specific vehicle, ensuring a direct fit and proper function. Eliminate check engine lights and poor performance. Provide your VIN at checkout and we’ll handle the rest!

$187.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-01910-68 Categories: ,
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Is Your Vehicle Running Rough, Stalling, or Showing a Check Engine Light?

If your Chevrolet Impala, or another compatible GM vehicle, is experiencing erratic behavior like poor fuel economy, hesitation, or failure to start, a faulty Engine Control Module (ECM) could be the culprit. The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifting. When it fails, it can cause a cascade of frustrating and difficult-to-diagnose problems. Don’t let a failing computer keep you off the road. This direct-replacement Engine Control Module, part number 12651993, is the reliable solution to restore your vehicle’s performance and dependability.

From the Diagnostic Bay

We had a 2012 Cadillac CTS come in that was giving the owner fits. It would randomly stall at red lights and had a persistent P0606 (ECM/PCM Processor Fault) code that wouldn’t stay cleared. The owner had already replaced the spark plugs and a coil pack with no success. After running our diagnostics, we confirmed the internal processor of the original ECM was failing intermittently. Instead of a costly trip to the dealer, we sourced this exact pre-programmed module. After providing the VIN, we received the new unit, performed the quick security relearn procedure, and the car ran perfectly. It’s a testament to how a correctly programmed, quality part can solve complex electronic issues without the dealership price tag.

Common Symptoms of a Failing ECM

  • ✔ Check Engine Light is illuminated with various trouble codes (DTCs).
  • ✔ Engine stalling or misfiring unexpectedly.
  • ✔ Noticeable decrease in fuel efficiency.
  • ✔ Difficulty starting the engine or a complete no-start condition.
  • ✔ Poor engine performance, including hesitation or lack of power.
  • ✔ Transmission shifting issues or harsh engagement.
  • ✔ Communication errors with diagnostic scan tools.

Why Choose Our Programmed 2012 Impala Engine Module?

This isn’t just a generic, off-the-shelf part. We take the guesswork and hassle out of the replacement process. Before this module ships, we program it specifically for your vehicle using the Vehicle Identification Number (VIN) you provide. This critical step ensures that the computer has the correct software and calibrations for your car’s specific engine, transmission, and options. It’s loaded with the latest GM-approved software updates, which can often resolve factory bugs and improve overall vehicle operation. This attention to detail ensures a smoother installation and helps restore your vehicle to its original operating standards.

This module is a direct replacement for a wide range of GM vehicles and part numbers, including 12616889, 12630908, 12637106, 12642665, and 12650256. It is designed to fit and function just like the original, providing a reliable and cost-effective repair. By purchasing a pre-programmed module, you avoid the need for expensive dealership programming or specialized tools, saving you both time and money.

Frequently Asked Questions

What exactly does the Engine Control Module (ECM) do?

The ECM, often called the engine computer, is the brain of your vehicle’s engine management system. It uses data from various sensors around the engine to control fuel delivery, spark timing, emissions systems, and transmission functions to ensure optimal performance, fuel economy, and low emissions.

Is this part truly plug-and-play?

Because we program the module to your VIN, it eliminates the need for dealership-level software installation. However, on most GM vehicles, you will still need to perform a security relearn procedure (often called a key relearn or anti-theft relearn). This procedure syncs the new ECM with your vehicle’s existing anti-theft system and can typically be done without special tools in under 30 minutes. Instructions are widely available online for this simple process.

What happens if I don’t provide my VIN?

Providing your VIN is a required step for this purchase. We cannot program or ship the module without it. The VIN ensures we load the correct GM software for your vehicle’s specific configuration, which is essential for it to function correctly.

Where can 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.

How do I know if this part number will fit my car if it’s not a 2012 Impala?

This ECM fits a wide variety of GM models, including the Cadillac CTS, Buick Allure/LaCrosse, GMC Terrain, and Chevy Camaro, among others. Please refer to the detailed fitment list on this page or match one of the compatible part numbers (e.g., 12616889, 12630908) to your original unit to confirm compatibility.

Condition

Refurbished

Year

Genuine OEM

Yes

MPN

12651993

Interchange part number

PartNumber

590

Model

IMPALA

Year

2012

Brand

GM

Manufacturer Part Number

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