Restore Your Vehicle’s Reliability and Performance
Is your truck, van, or SUV suffering from frustrating issues like stalling, hesitation, a no-start condition, or an illuminated Check Engine Light? A failing Fuel System Control Module (FSCM) is often the culprit, disrupting the critical communication between your engine computer and the fuel pump. This can leave you stranded and facing a costly, complicated repair. We offer a simple, dependable solution: a direct-fit Programmed 20791901 Fuel System Control Module, ready for installation right out of the box.
Common Symptoms & Your Direct-Fit Solution
If you’re experiencing any of the following, a faulty FSCM is the likely cause. This module is the definitive fix for:
- Check Engine Light with codes like P069E, P0230, or U0109
- Engine cranks but will not start
- Vehicle starts and then immediately stalls
- Hesitation or stumbling during acceleration
- Reduced engine power and poor fuel economy
Instead of towing your vehicle to a dealership for expensive diagnostics and programming, we handle the complex part for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash this module with the latest, most stable software from GM, ensuring it communicates perfectly with your vehicle’s systems from the moment you plug it in.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: This module arrives ready for a true plug-and-play installation. No dealer visits, no special tools, and no additional programming fees required.
- ✔ Loaded with Latest GM Software: We flash the unit with the newest factory updates, which often correct the original issues that caused the failure in the first place, improving long-term reliability.
- ✔ Direct-Fit OEM Replacement: Engineered to replace original part numbers 20791901, 20827745, 20877116, and 20850927, guaranteeing a perfect fit and seamless electrical connection.
- ✔ Restores Proper Fuel Delivery: By precisely controlling the fuel pump, this module restores crisp engine response, smooth idling, and dependable starting.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: Why Pre-Programming is Non-Negotiable
From my 20+ years in the garage, I’ve seen countless DIYers and even professional shops get stuck after installing a new, unprogrammed module. On these GM vehicles, the FSCM is a security-critical component that is VIN-locked to the vehicle’s computer. An unprogrammed module simply won’t work—the vehicle will not start. Our process of pre-programming this Programmed 20791901 Fuel System Control Module to your specific VIN bypasses this major installation hurdle, turning a potentially complex job into a straightforward parts swap you can do with confidence.
Frequently Asked Questions
How does the programming process work?
It’s simple. After you place your order, you provide us with your vehicle’s 17-digit VIN. Our technicians use this number to download the correct and most current software file from GM and flash it directly onto the module before it ships. This ensures it’s perfectly matched to your vehicle’s specific configuration.
Is this really a plug-and-play part?
Yes. Because we handle all the programming on our end, the module is ready for installation as soon as you receive it. You simply need to disconnect the old module and connect this new one. No further steps are required.
Where is the FSCM located on my truck or SUV?
On most GM trucks and SUVs like the Silverado, Sierra, Tahoe, and Yukon, the Fuel System Control Module is typically mounted on the driver’s side frame rail, often near the spare tire. It’s exposed to the elements, which is a common reason for its failure.
Will this fix a Check Engine Light with code P069E?
Yes, P069E (Fuel Pump Control Module Commanded On) is one of the most common diagnostic trouble codes indicating a failed FSCM. Replacing the module with this pre-programmed unit is the correct and reliable repair for that code.
What if my original part number is different from 20791901?
No problem. This module is a direct replacement for several part numbers, including 20827745, 20877116, and 20850927. As long as your vehicle is on the compatibility list, this part will function correctly.
How do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on the driver’s side of the dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.