Restore Your Vehicle’s Peak Performance and Reliability
Experiencing frustrating engine problems like stalling, poor fuel economy, or an illuminated Check Engine Light in your Cadillac Escalade? A failing Engine Control Module (ECM) is often the culprit, disrupting the sophisticated systems that make your vehicle perform. This direct-fit engine computer is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a straightforward installation so you can get back on the road with confidence and restored power.
Common Symptoms & Your Solution
If your vehicle is exhibiting any of the following issues, a faulty ECM is the likely cause. This unit is designed to resolve these problems and restore proper function:
- Erratic engine performance, including misfires or rough idling
- Difficulty starting the engine or a no-start condition
- Persistent Check Engine Light (CEL)
- Diagnostic Trouble Codes (DTCs) such as P0601, P0602, P0606, or U-series communication codes
- Poor shifting or transmission performance issues
- Reduced fuel efficiency
- Failure to pass emissions testing
By installing our pre-programmed 2010-2013 Escalade EXT ECM 12633238, you are not just replacing a part; you are restoring the central command center of your vehicle’s engine management system.
Features & Benefits
- ✔ Plug & Play Installation: This module arrives programmed to your vehicle’s VIN. Simply provide your VIN after purchase, and we handle the complex flashing process for you.
- ✔ Updated GM Software: We load the latest, most stable software updates from General Motors, ensuring optimal engine performance, fuel efficiency, and emissions control.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for part numbers 12633238 and 12633055, ensuring a perfect fit and function for a wide range of GM trucks, SUVs, and performance cars.
- ✔ Cost-Effective Solution: Avoid the high costs and scheduling hassles associated with dealership-level programming and parts.
- ✔ Purchase Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Importance of Correct Programming
In a modern vehicle like a Cadillac Escalade or a Corvette, the ECM doesn’t just manage the engine—it’s the heart of a complex network. It communicates constantly with the Transmission Control Module (TCM), Anti-lock Brake System (ABS), and Body Control Module (BCM). Our VIN-specific programming ensures that all these modules communicate flawlessly, just as the factory intended. This precision is critical for everything from smooth transmission shifts to the proper function of your vehicle’s stability control, ensuring your vehicle operates safely and performs at its best.
Frequently Asked Questions
How do I provide my VIN number?
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 without this information.
Is this ECM difficult to install?
The physical installation is typically straightforward for someone with basic mechanical skills, involving disconnecting the battery and swapping the module. Because we pre-program the unit, you eliminate the most difficult step. However, a security relearn procedure may be required after installation, which can often be done without special tools. We recommend consulting a service manual for your specific vehicle.
What is a security relearn procedure?
Most modern GM vehicles have an anti-theft system (Passlock/VATS) that syncs the ECM to your specific keys. After installing a new ECM, this system needs to be reset. The procedure is simple and usually involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times. Instructions for your vehicle can be easily found online.
Will this fix my vehicle’s specific problem?
This 2010-2013 Escalade EXT ECM 12633238 is a direct solution for issues caused by a failing engine computer. While it resolves the vast majority of the symptoms listed, we always recommend a proper diagnosis by a qualified technician to confirm the ECM is the point of failure before ordering.
Does this part fit other vehicles besides the Escalade EXT?
Yes. This ECM is compatible with a wide range of GM models, including the Silverado, Sierra, Tahoe, Suburban, Yukon, Camaro, Corvette, and Express/Savana vans. Please check the detailed fitment list on this page to confirm it matches your exact year, make, and model.