Is your GMC Canyon or GM vehicle suffering from frustrating electrical issues? A persistent check engine light, stalling, or a complete no-start condition often points directly to a failing Engine Control Module (ECM). Don’t let a faulty computer keep your truck off the road. This professionally programmed ECM is the definitive, hassle-free solution to restore your vehicle’s performance, reliability, and drivability.
Common Symptoms of a Failing GM ECM & Your Solution
A failing ECM can cause a wide range of confusing problems. If you’re experiencing any of the following, this part is your solution:
- Illuminated Check Engine Light (CEL) with communication-related Diagnostic Trouble Codes (DTCs) like P0601, P0606, or other U-codes.
- Engine Stalling or Misfiring for no apparent mechanical reason.
- Complete No-Start Condition where the engine cranks but will not fire up.
- Poor Fuel Economy and Performance due to incorrect fuel and timing calculations.
- Erratic Transmission Shifting or failure to shift into certain gears.
This module is the central command for your vehicle. By replacing your faulty unit with our pre-programmed 2009-2012 GMC Canyon ECM 12628993, you are installing a reliable, fully updated brain that eliminates the guesswork and gets your vehicle running right the first time.
Features & Benefits
- โ Plug & Drive Installation: This module arrives fully programmed to your vehicle’s specific VIN. No additional, expensive trips to the dealership for programming are required.
- โ Guaranteed Compatibility: By programming the ECM to your VIN, we ensure it communicates flawlessly with your truck’s security system (VATS/Passlock), transmission, and all other onboard modules.
- โ Updated GM Software: Your new ECM is loaded with the latest factory software updates from General Motors, often correcting original bugs and improving overall performance and efficiency.
- โ Cost-Effective Solution: Avoid the high costs and wait times associated with a dealership parts department. Get a reliable part delivered directly to you.
- โ This unit is backed by our one-year replacement warranty.
From the Shop Floor: Why VIN Programming is Non-Negotiable
As a technician, I’ve seen countless DIYers get stuck after installing a generic, unprogrammed ECM. On modern GM vehicles, the ECM is the heart of the entire security and communications network. Without precise VIN programming, the anti-theft system will prevent the engine from starting, the transmission won’t know when to shift, and the instrument cluster will light up like a Christmas tree. Our pre-programming service isn’t just a convenienceโit’s the essential step that turns a complex electronic repair into a simple plug-in job, saving you hours of frustration and hundreds of dollars in dealer fees.
Complete Fitment & Interchange Information
This ECM, part number 12628993, is a direct replacement for a wide range of GM vehicles. It is interchangeable with the following service numbers: 12636659, 12639300, 1263605, 12628911, 12625453, 12622175, 12630464, and 12678512. Please verify the part number on your original module or contact us with your VIN to confirm compatibility for your specific model, including:
- CANYON/COLORADO: 2009-2012 (2.9L, 3.7L)
- HUMMER H3: 2009-2010
- CADILLAC: CTS (2009), DTS (2009-2011), SRX (2009), STS (2009-2010), XLR (2009)
- BUICK LUCERNE: 2009-2011 (4.6L)
- CHEVROLET CORVETTE: 2009
- GMC ENVOY: 2009
- CHEVROLET TRAILBLAZER: 2009
- SAAB 9-7X: 2009
Frequently Asked Questions
Do I need to do any programming or flashing myself?
No. This ECM is a complete plug-and-drive solution. We handle all the programming to your specific VIN before we ship the part. All you need to do is install it.
How do I provide my Vehicle Identification Number (VIN)?
You can enter your 17-digit VIN in the notes section during checkout. If you miss it, simply reply to your order confirmation email with your VIN, and we will take care of the rest.
Is this the correct ECM for my vehicle?
This module fits a wide range of GM vehicles. The best way to ensure a perfect match is to compare the service number on your current ECM to the list provided. If you are unsure, please contact us with your VIN before ordering.
Will this fix my vehicle’s problem for sure?
This ECM will correct any issues directly caused by a faulty computer. However, it will not fix underlying mechanical problems (like a bad sensor or wiring short). We always recommend a proper diagnosis to confirm the ECM is the root cause of your issue.
What if I need to perform a security relearn procedure?
In over 95% of cases, no relearn is needed. However, on rare occasions, some GM vehicles may require a simple security relearn procedure that takes about 30 minutes and involves cycling the key. We include easy-to-follow instructions for this process with your order.
What does the one-year replacement warranty cover?
The warranty covers any functional defects within the ECM unit itself for a period of one year from the date of purchase. It ensures you receive a reliable, working part.