Programmed 2017 CTS Engine Control Module ECM 12674052 | Flashed to VIN

### VIN-Programmed 2017 Cadillac CTS ECM \| 12674052 Engine Computer   Is your Cadillac CTS running rough, stalling, or refusing to start? A faulty Engine Control Module (ECM) can bring your vehicle’s sophisticated performance to a grinding halt, leaving you stranded and frustrated. Restore your car’s power and precision with this professionally programmed ECM, designed to get you back on the road with confidence and reliability. This isn’t just a replacement part; it’s a complete solution. We take the guesswork out of the repair by programming the module to your vehicle’s specific Vehicle Identification Number (VIN) before it ever leaves our facility. This critical step ensures that the computer communicates flawlessly with your car’s other systems, just as the original did. By using the latest software updates directly from GM, we also help resolve common factory-known issues, giving your vehicle’s brain a fresh start. For a seamless repair, trust a professionally programmed **2017 Cadillac CTS ECM** to restore your vehicle’s core functions. ### Common Symptoms & Your Solution If you’re experiencing any of the following issues, a failing ECM is a likely culprit: - Severe drop in fuel economy - Engine stalling, misfiring, or running poorly - Vehicle won’t start, but the battery and starter are good - Check Engine Light is on with multiple, unrelated error codes - Loss of communication with diagnostic scan tools - Erratic transmission shifting behavior This pre-programmed engine computer is the definitive solution, designed to resolve these complex electronic issues and restore the crisp, responsive performance you expect from your Cadillac. ### Features & Benefits - ✔ **VIN-Matched Programming:** Arrives programmed to your specific VIN, ensuring perfect compatibility and communication with your vehicle’s systems right out of the box. - ✔ **Latest GM Software:** Flashed with the newest factory calibrations from GM, which can improve engine efficiency, performance, and overall reliability. - ✔ **True Plug-and-Play Potential:** By pre-programming the unit, we eliminate the need for expensive dealership flashing. A straightforward security relearn may be the only additional step. - ✔ **Guaranteed Fitment:** This is a direct replacement for a wide range of GM vehicles and part numbers, including **12674052**, **12692068**, **12686382**, and more. - ✔ **Purchase with Confidence:** This unit is backed by our one-year replacement warranty. #### Expert Insight: Why VIN Programming is Non-Negotiable Many people are tempted to buy a used ECM from a salvage yard, hoping for a cheap fix. However, a modern vehicle’s ECM is like a central nervous system, uniquely coded to its original car. Installing a non-programmed module is like putting the wrong brain in the body—it leads to communication errors, security system lockouts (no-start conditions), and a host of other frustrating, hard-to-diagnose problems. Our VIN programming service ensures this digital ‘handshake’ between the ECM and your car is perfect from the start, saving you from immense headaches and the high cost of dealership intervention. This is the key to a successful and lasting repair for any **2017 Cadillac CTS ECM** replacement. Don’t let a faulty computer keep your Cadillac sidelined. This professionally prepared **2017 Cadillac CTS ECM** is your most reliable path to restoring full functionality and driving with complete peace of mind. ### Frequently Asked Questions **What information do I need to provide after ordering?** After you complete your purchase, you must provide us with your vehicle’s 17-digit VIN. We cannot ship your part until we have this information, as it is essential for programming the module correctly for your specific car. **What is a ‘theft relearn’ and will I need to do it?** A vehicle theft deterrent relearn is a security procedure that syncs the new ECM to your car’s anti-theft system. If your vehicle does not start after installation, this procedure is required. It must be performed by a technician with access to GM’s official programming software (like Tis2web or Techline Connect). This is a standard step for this type of repair. **Is this part difficult to install?** Physically, swapping the ECM is typically straightforward, requiring basic hand tools. However, the critical part of the job is the electronic setup. While we handle the main programming, you or your mechanic will be responsible for performing any necessary relearn procedures, such as the theft relearn, crankshaft position variation relearn, or injector setup. **How do I know if my ECM is actually the problem?** While this part resolves the common symptoms listed above, we always recommend having your vehicle professionally diagnosed before ordering. A qualified technician can confirm that the ECM is the source of the failure and rule out other potential issues like wiring or sensor problems. **Is this compatible with part number 12692068?** Yes. This ECM is a direct replacement for several part numbers, including **12692068**, **12704476**, **12686382**, **12674052**, **12674472**, and **12678815**. It is designed to function identically to the original unit in all specified makes and models. Please enter it in the payment notes and save to ensure we receive it. Orders without a VIN within our 2-business-day handling period may be canceled, as programming cannot proceed without it. ### Shipping - **Processing Time:** Reliably shipped within 2-3 business days. ### Warranty Enjoy peace of mind with a **one-year replacement warranty** on this part, effective from the date you receive it. Labor costs are not covered. If the part fails within the warranty period, we’ll replace it with a comparable unit or refund your purchase price, ensuring a hassle-free experience. **Return Address:** **Highway71autoparts** **9131 Highway 71 NE** **Spicer, MN, 56288**

• Country of Origin: United States
• Manufacturer Part Number: 12674052
• Superseded Part Number: 12674052, 12674472, 12686382, 12692068, 12704476
• Manufacturer Warranty: 1 Year
• Genuine OEM: Yes
• Year: 2017
• Interchange Part Number: 590-08558
• Model: CTS
• Brand: GM
• Hardware Type: E92