Restore Your Vehicle’s Reliability and Performance
Is your truck, SUV, or car suffering from frustrating stalling, 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 with your fuel pump and leaving you stranded. This isn’t just an inconvenience; it’s a reliability issue that can compromise your daily routine. Get back on the road with confidence with this genuine, professionally programmed GM Fuel System Control Module 20850927, delivered ready for a simple, direct installation.
Common Symptoms & Your Direct-Fit Solution
If you’re experiencing any of the following issues, a faulty FSCM is the likely cause. This module is the definitive solution for:
- Engine stalling, especially under load or when coming to a stop
- Difficulty starting the engine or a complete no-start condition
- Check Engine Light with diagnostic trouble codes (DTCs) like P069E, P0230, or P0606
- Reduced engine power or hesitation during acceleration
- An inaccurate or erratic fuel gauge reading
Unlike a standard replacement part that requires an expensive trip to the dealership for programming, we handle the critical step for you. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the module with the latest, most stable GM software updates specifically for your vehicle. This ensures optimal performance and resolves many of the inherent issues found in the original factory software.
Features & Tangible Benefits
- ✔ True Plug-and-Play Installation: Arrives pre-programmed to your vehicle’s specific VIN. No extra tools or dealer visits are required, saving you time and hundreds of dollars in labor costs.
- ✔ Updated GM Software: We flash each module with the newest software available from General Motors, which often includes critical improvements for fuel delivery, performance, and module longevity.
- ✔ Guaranteed Compatibility: This single unit directly replaces multiple OEM part numbers, including 20791901, 20827745, 20877116, and 20850927, ensuring a perfect fit for a wide range of GM vehicles.
- ✔ Restored Engine Performance: By re-establishing precise control over the fuel pump, this module corrects fuel pressure issues, leading to smoother idling, responsive acceleration, and reliable starts.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
An Expert’s Insight on FSCM Failure
As a technician with over two decades of experience, I’ve replaced hundreds of these modules. A common design flaw on many GM trucks and SUVs was mounting the FSCM directly to the frame rail. This location exposes the sensitive electronics to constant vibration, road salt, moisture, and heat cycling. Over time, these harsh conditions lead to internal circuit board failures. The updated software we install helps the module manage its operations more efficiently, but the real benefit is getting a fully tested, ready-to-install part that solves the problem without the dealership hassle. It’s the smart, reliable fix for the DIYer or independent shop.
Don’t let a faulty module dictate when and where you can drive. Take control of your repair with this pre-programmed GM Fuel System Control Module 20850927 and restore the dependable performance you expect from your vehicle.
Frequently Asked Questions
Do I need to take my vehicle to a dealer for programming?
Absolutely not. The main benefit of our service is that we program the module to your vehicle’s VIN before we ship it. This makes the unit a true plug-and-play part, ready for installation right out of the box.
How do I provide my VIN?
You can add your 17-digit Vehicle Identification Number (VIN) to the notes section during checkout. If you forget, don’t worry—we will contact you to retrieve it before programming and shipping your part.
Is this a genuine OEM part?
Yes, this is a genuine, tested OEM module that has been meticulously inspected and programmed with the latest GM software to ensure it meets or exceeds original performance specifications.
What if my old part number isn’t 20850927?
This module is a direct replacement for several part numbers, including 20791901, 20827745, and 20877116. Please check the detailed fitment list on this page to confirm compatibility with your specific make, model, and year.
Where is the FSCM located on my vehicle?
On most GM trucks and full-size SUVs (like the Silverado, Sierra, Tahoe, and Yukon), the FSCM is typically mounted on the driver’s side frame rail, often near the spare tire. On other models, it may be in the rear compartment or trunk area. A quick search for your specific model will usually provide a precise location.