Is Your GM Truck or SUV Stalling, Hesitating, or Refusing to Start?
A faulty Fuel System Control Module (FSCM) can leave you stranded and frustrated, causing unpredictable engine behavior and a constant check engine light. If your vehicle is experiencing symptoms like engine stalling, a long crank time, sputtering, or a complete no-start condition, a failing FSCM is the most likely culprit. Don’t let a small electronic part compromise the reliability of your work truck or family SUV. This is the direct, hassle-free solution to restore your vehicle’s performance and your peace of mind.
Common Symptoms & Your Solution
A failing fuel pump driver module often triggers specific Diagnostic Trouble Codes (DTCs), including P069E, P0230, P0606, or U0109. These codes point directly to a communication or performance issue with the FSCM. Our Programmed 20791901 Fuel System Control Module is the definitive fix. We take the guesswork and extra expense out of the repair by pre-programming the unit to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This means it arrives at your door ready for a simple, plug-and-play installation, with no need for an expensive trip to the dealership for programming.
- ✔ Plug-and-Play Installation: This module is professionally flashed with the latest GM software using your VIN. This eliminates the need for dealer-specific tools or programming fees, saving you time and money.
- ✔ Restores Proper Fuel Delivery: A new, correctly functioning module ensures your fuel pump receives the precise voltage it needs for optimal engine performance, power, and efficiency under all driving conditions.
- ✔ Solves Common Failure Points: This unit is a direct replacement for multiple original part numbers, including 20791901, 20827745, 20877116, and 20850927, addressing known issues with the factory components.
- ✔ Built for Durability: Engineered to meet or exceed original equipment specifications for a reliable, long-lasting repair that puts an end to frustrating fuel system issues.
- ✔ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
An Expert’s Insight on FSCM Failure
As a technician, I’ve replaced hundreds of these modules. On most GM trucks and SUVs, the FSCM is mounted to the frame rail, exposed to road salt, water, and debris. Over time, this exposure causes corrosion to build up on the module’s housing and, more critically, its electrical connector. This corrosion disrupts the signal, leading to the erratic behavior you’re experiencing. When you install this new Programmed 20791901 Fuel System Control Module, I strongly recommend applying a thin layer of dielectric grease to the connector pins. This simple step provides a moisture barrier, protecting your new part and ensuring a solid connection for years to come.
Frequently Asked Questions
How does the VIN programming process work?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this number to load the exact, most current GM-approved software for your specific vehicle onto the module. This ensures it communicates perfectly with your vehicle’s computer (ECU) right out of the box.
Where is this module located on my vehicle?
On most GM trucks and full-size SUVs (like the Silverado, Sierra, Tahoe, and Escalade), the FSCM is typically mounted on the driver’s side frame rail, often near the spare tire. On other vehicles like the Enclave or CTS, it may be located in the rear compartment or trunk area. A quick search for your specific model will confirm the exact location.
Will this fix a P069E trouble code?
Yes, the DTC P069E is one of the most common codes indicating a fault with the Fuel System Control Module. Replacing the faulty module with this correctly programmed unit is the standard and effective repair for this code.
Are any special tools required for installation?
No special tools are required. Installation typically involves basic hand tools like a socket set to remove the mounting bolts and a small screwdriver to release the clip on the electrical connector. Since our module is pre-programmed, no diagnostic scan tools are needed for the installation process.
What happens if I forget to provide my VIN?
Providing your VIN is a required step for this part. We cannot ship the module until we have your VIN to program it. This step is crucial to guarantee the part will function correctly in your vehicle. We will contact you after your purchase to remind you if the VIN has not been provided.