2017-2018 Suburban ECM Engine Computer 12692201

VIN-Programmed and Ready to Install!

Restore your vehicle’s performance with this direct-fit ECM. It arrives pre-programmed with the latest GM software for your specific VIN, eliminating the need for costly dealership visits. Fix check engine lights, stalling, and poor performance. Provide your VIN at checkout to get back on the road fast!

$349.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-10082-32 Categories: ,
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Is Your GM Vehicle Running Rough? The ECM Might Be the Culprit.

The Engine Control Module (ECM), often called the engine computer, is the central command center for your vehicle’s engine. It meticulously manages critical functions like fuel injection, ignition timing, emissions systems, and transmission shifting to ensure optimal performance, fuel economy, and reliability. When the ECM begins to fail, it can create a cascade of confusing and frustrating problems that are often misdiagnosed, leading to wasted time and money on unnecessary parts.

If your 2017-2018 Silverado, Sierra, Suburban, or other compatible GM vehicle is experiencing inexplicable issues, a faulty engine computer could be the root cause. This direct-fit replacement ECM, part number 12692201, is the definitive solution to restore your vehicle’s factory performance and get you back on the road with confidence.

From the Diagnostic Bay

We had a 2017 Sierra 2500 with the 6.0L come in with a persistent, random misfire on cylinder 3. The owner had already replaced the spark plug, ignition coil, and fuel injector, but the problem remained. Scans showed no clear cause. After ruling out mechanical issues, we hooked up a scope to the injector driver circuit at the ECM. We found the signal from the computer was erratic and weak, causing the injector to fire inconsistently. We installed a VIN-programmed ECM, and the truck ran perfectly. It’s a classic case where the problem wasn’t the component, but the computer controlling it.

Common Symptoms of a Failing ECM

  • ✔ Check Engine Light: An illuminated or flashing Check Engine Light (CEL) is the most common indicator, often with codes related to sensor circuits, module communication, or processor faults.
  • ✔ Engine Stalling or Misfiring: The engine may stall unexpectedly, misfire, or run rough, especially under load.
  • ✔ Poor Fuel Economy: If the ECM cannot properly regulate the air-fuel mixture, you’ll notice a significant drop in MPG.
  • ✔ No-Start Condition: A completely failed ECM can prevent the engine from starting at all, as it won’t be able to control the fuel pump or ignition system.
  • ✔ Erratic Transmission Shifting: The ECM works with the Transmission Control Module (TCM). A faulty ECM can cause harsh shifts, delayed engagement, or getting stuck in one gear.
  • ✔ Performance Issues: You may experience a noticeable loss of power, poor acceleration, or hesitation.

The Plug-and-Play Solution: A Pre-Programmed 2017-2018 Suburban ECM

Replacing an ECM isn’t just about swapping hardware. Modern vehicle computers are coded specifically to the vehicle’s Vehicle Identification Number (VIN). This unit is not just a part; it’s a complete service. We take the hassle and high cost of dealership programming out of the equation. When you order, simply provide us with your vehicle’s VIN. Our technicians will then flash the module with the latest, most stable GM-certified software specific to your exact vehicle configuration. This ensures that when it arrives, it’s ready for installation without the need for an expensive trip to the dealer for programming.

Guaranteed Fitment for Your Vehicle

This ECM (part number 12692201, also interchangeable with 12668986) is a direct replacement for the following vehicles:

  • 2017-2018 Chevrolet Silverado 2500 Pickup: 6.0L Engine
  • 2017-2018 GMC Sierra 2500 Pickup: 6.0L Engine
  • 2017-2018 Chevrolet Sonic
  • 2017-2018 Buick Encore: 1.4L, VIN B (8th digit, opt LUV)
  • 2017 Chevrolet Suburban 3500

Please verify your original part number or contact us with your VIN to confirm compatibility before ordering.

Frequently Asked Questions

Do I need to have this ECM programmed?

No. This ECM comes fully programmed to your vehicle’s specific VIN before we ship it. It is a plug-and-play solution, saving you a trip to the dealership.

What is a VIN and why do you need it?

The VIN (Vehicle Identification Number) is a unique 17-digit code for your vehicle. We use it to load the exact factory software and calibrations for your specific engine, transmission, and options, ensuring perfect compatibility.

Is any other procedure needed after installation?

In some cases, a simple “Security Relearn” or “Crankshaft Variation Relearn” procedure may be required. These can typically be done without special tools and instructions can be easily found online or in your vehicle’s service manual.

Will this fix my vehicle’s problem for sure?

This module will correct any issues directly caused by a faulty ECM. However, it’s crucial to ensure your vehicle has been properly diagnosed. This part will not fix problems related to other faulty sensors, wiring, or mechanical components.

Where is the ECM located on my truck?

On the Silverado, Sierra, and Suburban models listed, the ECM is typically located in the engine compartment on the driver’s side (LH front), often near the battery or air filter box.

Genuine OEM

Yes

Year
Interchange part number

Condition

Seller refurbished

Model

– 2018 SUBURBAN 3500

Year

2017

Brand

GM

MPN

12692201

Manufacturer Part Number

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