Restore Your Cadillac’s Smooth Performance
Is your Cadillac DTS not driving with the quiet authority and seamless power you expect? A failing Engine Control Module (ECM) can disrupt everything from fuel economy to engine stability, turning your luxury ride into a source of frustration. This professionally programmed 2009-2011 Cadillac DTS ECM is the definitive solution to restore your vehicle’s sophisticated engine management system to perfect working order. We take the guesswork out of the repair by flashing the module with the latest GM software updates, specifically matched to your vehicle’s VIN. This ensures a seamless installation and a return to the reliable performance you deserve.
Common Symptoms & Your Solution
A faulty ECM can manifest in various ways, often mimicking other component failures. If you’re experiencing any of the following, your engine’s computer is the likely culprit:
- Persistent Check Engine Light (CEL) with communication-related codes (e.g., P0601, P0606)
- Unexplained stalling or difficulty starting the engine
- Noticeable decrease in fuel efficiency
- Rough idling or engine hesitation during acceleration
- Transmission shifting issues or erratic behavior
Replacing your old module with this pre-programmed 2009-2011 Cadillac DTS ECM directly addresses these issues, providing a reliable and lasting fix.
Features & Tangible Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for installation right out of the box. No expensive trip to the dealership for programming is required.
- ✔ Latest GM Software Updates: We ensure your module is loaded with the most current software, often resolving issues the original unit may have had from the factory.
- ✔ Restores Factory Performance: Regain the precise fuel injection, ignition timing, and transmission control that makes your Cadillac a pleasure to drive.
- ✔ Direct-Fit Replacement: Engineered to match the original form and function, guaranteeing a perfect fit and connection with service number 1263605 and its interchanges.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
In a modern vehicle like your Cadillac, the ECM is the central nervous system. It communicates with dozens of other modules, from the transmission to the anti-lock brakes. Simply swapping a used computer from another car won’t work—it would be like trying to use the wrong key for your house. Our VIN-programming process ensures the new ECM has the correct “digital key” for your specific car, including its unique options and security information. This is the secret to a successful, hassle-free repair that avoids frustrating compatibility errors and gets you back on the road with confidence.
Guaranteed Vehicle Compatibility
This ECM is a direct replacement for service number 1263605 and is interchangeable with the following part numbers: 12636659, 12639300, 12628993, 12628911, 12625453, 12622175, 12630464, and 12678512. It is confirmed to fit the following makes and models:
- CADILLAC DTS 2009-2011
- BUICK LUCERNE 2009-2011 (4.6L)
- CHEVROLET COLORADO 2009-2012
- CHEVROLET CORVETTE 2009 (ZR1)
- CHEVROLET TRAILBLAZER 2009 (6.0L)
- GMC CANYON 2009-2012
- GMC ENVOY 2009 (5.3L)
- HUMMER H3 2009-2010
- SAAB 9-7X 2009
- And many more Cadillac models including CTS, SRX, STS, and XLR. Please verify your part number to ensure compatibility.
Take control of your vehicle’s health and restore its peak performance. Order your pre-programmed 2009-2011 Cadillac DTS ECM today.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). You can typically add this in the notes section during checkout or send it to us in a message referencing your order number. We cannot ship the part until we receive your VIN.
Is any additional programming required after installation?
No. This ECM comes fully programmed to your VIN and is ready for installation. In most cases, a security relearn procedure may be necessary, which can be done without special tools and typically takes about 30 minutes. Instructions are readily available online for your specific model.
Where is the ECM located on my 2009-2011 Cadillac DTS?
On the Cadillac DTS, the Engine Control Module is typically located in the engine compartment, inside the air cleaner assembly housing. Always disconnect the battery before attempting to remove or install the module.
Will this fix my specific check engine light codes?
This module is a common solution for internal processor failure codes like P0601, P0606, and other communication-related diagnostic trouble codes. While it resolves the vast majority of ECM-related issues, it’s always best to have a proper diagnosis to rule out wiring or sensor problems.
What is your one-year replacement warranty?
This unit is backed by our one-year replacement warranty. If the module fails within one year of the purchase date, we will provide a replacement unit. This gives you confidence and peace of mind in your repair.