Restore Your Vehicle’s Performance and Reliability
Is your truck, SUV, or car suffering from a persistent check engine light, poor fuel economy, or erratic engine behavior? A faulty Engine Control Module (ECM) is often the culprit behind these frustrating and complex issues. This direct-fit Engine Computer 12625455 is the definitive solution to get your vehicle running like new. We take the guesswork out of the repair by pre-programming the module to your vehicle’s specific VIN with the latest GM software updates. This means no expensive trips to the dealership for programming—it arrives ready for a straightforward installation.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing ECM is the likely cause. This module is designed to permanently resolve these problems:
- Check Engine Light (CEL) that won’t go away
- Engine stalling, stumbling, or misfiring
- Poor acceleration and loss of power
- Decreased fuel efficiency
- Transmission shifting problems
- Vehicle won’t start or has intermittent starting issues
- Communication error codes (U-codes) with scan tools
Installing this professionally programmed Engine Computer 12625455 will restore communication between your vehicle’s critical systems, correcting these performance issues and getting you back on the road with confidence.
Features & Benefits
- ✔ VIN-Specific Programming: Arrives flashed with the latest GM software for your exact vehicle. This ensures seamless integration and optimal performance right out of the box.
- ✔ Plug-and-Play Installation: No dealership programming is required. This part is prepared to be installed by you or your trusted mechanic, saving you time and money.
- ✔ Restored Engine Performance: Corrects issues like rough idle, poor fuel economy, and hesitation by restoring precise control over fuel delivery and spark timing.
- ✔ Guaranteed Compatibility: A direct replacement for OEM part numbers 12625455 and 12629009, ensuring a perfect fit and function across a wide range of GM vehicles.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on ECM Replacement
As a technician, I’ve seen countless vehicle owners chase expensive sensor and component replacements, only to find the root cause was the ECM itself. A failing computer can send false signals, making diagnosis a nightmare. The critical step is ensuring the replacement is correctly programmed. An improperly programmed Engine Computer 12625455 can cause more problems than it solves, from a no-start condition to damaging other electronics. Our service eliminates that risk by handling the complex programming for you, ensuring a successful and lasting repair.
Frequently Asked Questions
Do I need to do any programming or flashing myself?
No. We handle all the programming for you before shipment. The unit will arrive flashed with the newest GM updates, specifically matched to the VIN you provide.
What information do you need from me after I order?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). This is essential for us to program the module correctly.
Is this part difficult to install?
For most vehicles, this is a straightforward plug-and-play installation. You simply disconnect the battery, remove the old ECM, and install the new one. Some vehicles may require a simple security relearn procedure, which can typically be done without special tools. Instructions are widely available online for this process.
How can I be sure my original ECM is the problem?
Common signs include a persistent check engine light with communication-related trouble codes, unexplained stalling or misfires after other parts have been checked, and a complete no-start condition where the fuel pump and ignition seem to have no power. A thorough diagnosis by a professional is the best way to be certain.
Will this fit my vehicle?
This module fits a wide variety of GM trucks, vans, and SUVs from 2009-2010 and beyond. Please review the detailed fitment list on this page to confirm compatibility with your specific make, model, and engine option.
What is the warranty for this part?
This unit is backed by our one-year replacement warranty.