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Imagine cruising down the highway in your 2017 XTS, engine purring smoothly, without a hint of hesitation. But what if your daily commute is marred by stalling and rough idling? This 12704476 Engine Control Module (ECM) is the solution you’ve been searching for, pre-programmed to restore OEM performance seamlessly.
- ✓ Restores original ECM function for smooth operation.
- ✓ OEM-equivalent build ensures long-lasting reliability.
- ✓ Pre-programmed to your VIN—no dealership visits needed.
- ✓ Includes 1-year warranty for peace of mind.
- ✓ Easy DIY install with basic tools (tips: disconnect battery first to avoid shorts).
Picture towing your trailer through rugged terrain without hesitation. Unlike failing factory modules triggering codes, this ECM restores efficiency and reliability, ensuring a smooth ride for you and your passengers. Pair it with a diagnostic tool for optimal results—here’s how:
Use a code reader to diagnose the issue before swapping out the ECM. This will ensure you’re addressing the root cause of the problem, rather than just treating symptoms.
Additionally, when installing this ECM, keep in mind that theft relearn may be required using the GM programming system Tis2web/Techline Connect. This is the responsibility of the end user. We sell engine computers programmed to your vehicle’s VIN and correct calibrations; however, it’s up to you to perform any necessary relearns or setup procedures.
Important Installation Notes
Please note that this ECM is pre-programmed to your VIN, but you may still need to perform a theft relearn using the GM programming system Tis2web/Techline Connect. This ensures security features align perfectly with your vehicle’s system.
Order your pre-programmed ECM today and rediscover reliable driving in your 2017 XTS!
This part will fit these makes and models with these options
2017 XTS Engine Control Module (ECM), VIN 8 (8th digit, opt LF3)