Programmed 12629009 ECM | Engine Computer for 2009-2010 Yukon & GM Vehicles

Get Back on the Road with Confidence

End the frustration of a faulty engine computer. This replacement ECM (part #12629009) arrives programmed to your exact VIN, making installation straightforward. Restore your vehicle’s reliability and smooth performance without the dealership hassle. Drive with peace of mind—order your plug-and-play solution now!

$139.95

+11.99 USPS Priority Shipping

Availability: In stock



Guaranteed Safe Checkout

Restore Your Vehicle’s Brain, Restore Your Peace of Mind

Is your truck, van, or SUV suffering from baffling electrical issues, a persistent check engine light, or a no-start condition? A failing Engine Control Module (ECM) can be the hidden cause, creating immense frustration and leaving your vehicle unreliable. This isn’t just an inconvenience; it’s a disruption to your daily life. We offer the definitive solution: a genuine GM Engine Control Module, professionally programmed to your vehicle’s specific VIN, ready for installation right out of the box.

Common Symptoms & Your Solution

If you’re experiencing any of the following, a faulty ECM is the likely culprit. This module is the direct fix for issues such as:

  • Check Engine Light (CEL) with communication codes (e.g., U0100) or internal processor codes (P0601, P0606).
  • Unexplained engine stalling or stumbling.
  • Rough or erratic idling.
  • Poor fuel economy and engine performance.
  • Complete no-start condition where the engine cranks but won’t fire.
  • Transmission shifting problems or other electronic module failures.

Instead of paying for expensive diagnostics and programming fees at a dealership, this Programmed 12629009 ECM arrives ready to restore your vehicle to its factory-spec performance. It’s the most efficient and reliable way to get back on the road.

Features & Benefits

  • VIN-Specific Programming: We flash the module with the latest GM software updates using your vehicle’s VIN. This ensures perfect communication with all other onboard systems—no compatibility errors.
  • Plug-and-Play Installation: Because it’s pre-programmed, you can avoid a trip to the dealer. In most cases, installation is as simple as disconnecting the battery, swapping the module, and reconnecting.
  • Restored Performance & Efficiency: A properly functioning ECM is critical for optimal engine timing, fuel delivery, and emissions control. Expect a return to the smooth, reliable performance you depend on.
  • Cost-Effective Solution: Get a fully prepared component at a fraction of the cost of a new module and separate dealership programming fees.
  • Guaranteed Compatibility: This unit is a direct replacement for part numbers 12629009 and 12625455, covering a wide range of GM vehicles.
  • Warranty Protection: This unit is backed by our one-year replacement warranty.

Expert Insight: The Critical Role of VIN-Matched Software

As a technician, I’ve seen countless issues arise from using incorrect or generic ECMs. A module from a junkyard might look identical, but if its software isn’t a perfect match for your vehicle’s specific options—like transmission type, axle ratio, or security system—it can cause more problems than it solves. Our VIN-programming process isn’t just a convenience; it’s a critical step that ensures every parameter is set exactly as the factory intended. This is how we can confidently provide a Programmed 12629009 ECM that functions as a true plug-and-play part, saving you from frustrating compatibility headaches.

Frequently Asked Questions

Why do you need my VIN?

Your Vehicle Identification Number (VIN) allows us to load the exact, factory-correct software and calibrations for your specific vehicle. This includes information about the engine, transmission, emissions equipment, and security system, ensuring seamless integration and performance.

Is any additional programming required after installation?

In most cases, no. This Programmed 12629009 ECM is designed to be a plug-and-play solution. However, some vehicles may require a simple security relearn procedure (often called a CASE relearn or anti-theft relearn), which can typically be done without special tools. Instructions are widely available online for this process.

Is this a difficult part to install?

For someone with basic mechanical skills, the installation is straightforward. The ECM is usually located in the engine bay and is held in place by a few bolts. The main steps are to disconnect the battery, unplug the old module’s electrical connectors, swap the units, and reconnect everything. Always disconnect the battery first to prevent electrical damage.

Will this fix my check engine light?

If the check engine light is caused by an internal failure of the ECM (common codes include P0601-P0606 or communication errors), then this part will resolve the issue. It’s important to ensure the root cause of the problem is the ECM itself and not a faulty sensor or wiring issue elsewhere in the vehicle.

How do I provide my VIN after purchase?

After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship your ECM until we receive this information, so please provide it promptly to avoid delays.

Brand

GM

Year
Condition

Refurbished

Year

2009

MPN

12629009

Model

YUKON

Hardware Type

Genuine OEM

Yes

Interchange part number

PartNumber

590

Manufacturer Part Number

,

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