Is Your GM Truck or SUV Running Rough? Get the Definitive Fix.
Is your reliable Silverado, Sierra, or Tahoe suddenly plagued with issues like stalling, erratic idling, or a persistent Check Engine Light that just won’t go away? A failing Engine Control Module (ECM) is often the culprit, acting like a confused brain for your vehicle’s most critical systems. This isn’t just an annoyance; it’s a problem that can affect fuel economy, engine power, and even leave you stranded. Stop throwing parts at the problem. This is the direct, reliable solution to get your vehicle back to factory-spec performance and dependability.
Common Symptoms & Your Solution
A faulty engine computer can manifest in numerous ways. If you’re experiencing any of the following, a failing module is the likely cause:
- Persistent Check Engine Light (CEL) with communication-related codes (like P0601, P0606) or multiple unrelated sensor codes.
- Engine Stalling or Misfiring: The engine may stumble, hesitate during acceleration, or shut off unexpectedly.
- No-Start Condition: The engine cranks but refuses to start, often due to a lack of fuel injector or ignition coil command from the ECM.
- Poor Fuel Economy: An inefficiently running engine, managed by a faulty computer, will burn more fuel than necessary.
- Failed Emissions Test: The ECM is central to managing your vehicle’s emissions systems.
This Programmed 12625455 ECM is the definitive solution. We take a genuine GM module and flash it with the latest, most stable software updates directly from GM, tailored specifically to your vehicle’s Vehicle Identification Number (VIN). This ensures perfect compatibility and function right out of the box.
Your Direct-Fit, Programmed Solution
- âś” VIN-Programmed for Your Vehicle: No need for expensive dealership trips or special tools. This module arrives ready for installation, programmed to match your exact vehicle configuration.
- âś” Restored Performance & Efficiency: With the latest GM software, you’ll restore the crisp throttle response, smooth idle, and optimal fuel efficiency your truck was built for.
- âś” Simple Installation Process: Designed for a direct swap, this ECM allows a competent DIYer or any professional technician to get the job done quickly, minimizing vehicle downtime.
- âś” Broad GM Compatibility: This versatile module, also compatible with part number 12629009, is the correct fit for a wide range of popular GM trucks, vans, and SUVs.
- âś” Peace of Mind Included: This unit is backed by our one-year replacement warranty.
An Expert’s Note: The Work Truck Lifesaver
“We had a contractor come in with his ’09 Silverado 2500. The truck was his livelihood, but it kept stalling at random, costing him time and money. His previous mechanic had replaced sensors and plugs to no avail. We diagnosed a failing ECM. Instead of a multi-day wait and a huge bill from the dealer, we installed one of our pre-programmed modules. He provided the VIN, we shipped the part, and his mechanic swapped it in under an hour. The truck was back on the job site the next day, running perfectly. That’s the power of a ready-to-install solution.”
Guaranteed Vehicle Compatibility
This Programmed 12625455 ECM is the correct component for a wide array of GM vehicles. Please confirm your model and year from the list below to ensure a perfect match.
SILVERADO 2500 PICKUP 10 Electronic Control Module; (LH front engine compartment), 6.0L, VIN K (8th digit, opt LY6)
SUBURBAN 1500 09 Electronic Control Module; (LH front engine compartment)
VUE 10 Electronic Control Module; 3.5L
ESCALADE 09 Electronic Control Module; (LH front engine compartment), 6.2L
ESCALADE ESV 09 Electronic Control Module; (LH front engine compartment)
G6 09 Electronic Control Module; (LH front engine compartment), 3.9L
SIERRA 2500 PICKUP 09 Electronic Control Module; (LH front engine compartment), 6.0L
SILVERADO 2500 PICKUP 09 Electronic Control Module; (LH front engine compartment), 6.0L
SILVERADO 3500 PICKUP 09 Electronic Control Module; (LH front engine compartment), 6.0L
YUKON XL 2500 10 Electronic Control Module; (LH front engine compartment), ID 12625455
HUMMER H2 09 Electronic Control Module; (LH front engine compartment)
MALIBU 09 Electronic Control Module; 3.5L
YUKON 10 Electronic Control Module; (LH front engine compartment), w/o hybrid option; ID 12625455
AVALANCHE 1500 09 Electronic Control Module; (LH front engine compartment)
SIERRA DENALI 09 Electronic Control Module; (LH front engine compartment)
SIERRA 1500 PICKUP 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option; w/o 4.3L
SIERRA 3500 PICKUP 09 Electronic Control Module; (LH front engine compartment), 6.0L
SAVANA 2500 VAN 09 Electronic Control Module; (LH rear engine compartment), 6.0L
SAVANA 3500 VAN 09 Electronic Control Module; (LH rear engine compartment), 6.0L
SIERRA DENALI 10 Electronic Control Module; (LH front engine compartment), ID 12629009
TAHOE 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option
YUKON XL 2500 09 Electronic Control Module; (LH front engine compartment)
ESCALADE 10 Electronic Control Module; (LH front engine compartment), 6.2L, ID 12625455
ESCALADE EXT 09 Electronic Control Module; (LH front engine compartment)
EXPRESS 2500 VAN 09 Electronic Control Module; (LH rear engine compartment), 4.8L
SUBURBAN 2500 10 Electronic Control Module; (LH front engine compartment), ID 12625455
AVALANCHE 1500 10 Electronic Control Module; (LH front engine compartment), ID 12625455
CORVETTE 09 Electronic Control Module; (RH engine compartment), Base
SIERRA 2500 PICKUP 10 Electronic Control Module; (LH front engine compartment), 6.0L, VIN K (8th digit, opt LY6)
G8 09 Electronic Control Module; ID 12625455
SILVERADO 1500 PICKUP 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option; w/o 4.3L
YUKON 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option
YUKON XL 1500 09 Electronic Control Module; (LH front engine compartment)
G6 09 Electronic Control Module; (LH front engine compartment), 3.5L
IMPALA 09 Electronic Control Module; (lower part of air cleaner box), 3.9L
SUBURBAN 1500 10 Electronic Control Module; (LH front engine compartment), ID 12625455
EXPRESS 2500 VAN 09 Electronic Control Module; (LH rear engine compartment), 6.0L
IMPALA 09 Electronic Control Module; (lower part of air cleaner box), 3.5L
SAVANA 1500 VAN 09 Electronic Control Module; (LH rear engine compartment), 5.3L
SAVANA 3500 VAN 09 Electronic Control Module; (LH rear engine compartment), 4.8L
SUBURBAN 2500 09 Electronic Control Module; (LH front engine compartment)
TAHOE 10 Electronic Control Module; (LH front engine compartment), w/o hybrid option; ID 12625455
EXPRESS 3500 VAN 09 Electronic Control Module; (LH rear engine compartment), 4.8L
SAVANA 2500 VAN 09 Electronic Control Module; (LH rear engine compartment), 4.8L
SIERRA 3500 PICKUP 10 Electronic Control Module; (LH front engine compartment), 6.0L, VIN K (8th digit, opt LY6)
SILVERADO 3500 PICKUP 10 Electronic Control Module; (LH front engine compartment), 6.0L, VIN K (8th digit, opt LY6)
SIERRA DENALI 10 Electronic Control Module; (LH front engine compartment), ID 12625455
ESCALADE ESV 10 Electronic Control Module; (LH front engine compartment), ID 12625455
ESCALADE EXT 10 Electronic Control Module; (LH front engine compartment), ID 12625455
EXPRESS 1500 VAN 09 Electronic Control Module; (LH rear engine compartment), 5.3L
Frequently Asked Questions
How does the VIN programming process work?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this number to flash the module with the exact software and calibrations your vehicle requires from the factory, ensuring a perfect match.
Is this part difficult to install?
The physical installation is straightforward for anyone with basic mechanical skills. It typically involves disconnecting the battery, unplugging the electrical connectors from the old ECM, removing a few mounting bolts, and then installing the new one in reverse order. Most installations take less than an hour.
Will I need to do anything else after installation?
In many cases, the vehicle will start and run perfectly immediately. However, some GM vehicles may require a simple security relearn procedure (often called a Passlock or anti-theft relearn) to sync the new ECM with your keys. This procedure can be done without special tools and instructions are widely available online.
Is this a used part?
This is a high-quality, inspected, and tested used OEM component. Each unit is verified to be fully functional before being programmed with fresh, updated software for your specific vehicle, providing a reliable and cost-effective alternative to a new dealer part.
What if I order the wrong part?
We strongly recommend using the detailed compatibility list on this page and matching the part number 12625455 or 12629009. Because each unit is uniquely programmed to a customer’s VIN, it’s crucial to ensure compatibility before ordering. If you have any doubts, please contact us for assistance.