Is Your GM Truck or SUV Stalling or Refusing to Start?
If your 2010-2012 Silverado, Tahoe, Yukon, Escalade, or other GM vehicle is suddenly stalling, cranking but not starting, or showing a “Reduced Engine Power” message, the culprit is often not the fuel pump itself, but the small computer that controls it: the Fuel System Control Module (FSCM). In my 20+ years as a technician, I’ve seen countless dollars wasted on replacing perfectly good fuel pumps when the FSCM was the real problem all along.
This module, often mounted on the frame rail, is exposed to water, salt, and road debris, leading to corrosion and internal failure. When it fails, it can no longer command the fuel pump to deliver the correct pressure, leading to a host of frustrating and intermittent issues.
The Simple, Reliable Solution: A VIN-Programmed FSCM
Forget expensive diagnostic fees and trips to the dealership. We offer a direct-fit Fuel System Control Module that arrives at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN). We load the latest GM-certified software onto the module before it ships, making the installation a true plug-and-play process.
Real-World Diagnostic Story
A customer’s 2011 Silverado 1500 came in last week with a classic no-start condition after a heavy rain. The owner had already replaced the fuel pump, but the problem persisted. A quick scan showed a P069E code (Fuel Pump Control Module Commanded OFF). Instead of starting a complex wiring diagnosis, we inspected the FSCM on the driver’s side frame rail. It was caked in mud and the connectors were green with corrosion. We installed one of our pre-programmed modules, and the truck fired right up. This is a scenario I’ve seen hundreds of times; checking the FSCM first can save you a lot of time and money.
Common Symptoms of a Failing FSCM:
- โ Engine cranks but will not start
- โ Stalling while driving, especially under load
- โ Hesitation or stumbling on acceleration
- โ “Reduced Engine Power” message on the dash
- โ Check Engine Light with codes like P069E, P0230, P025A, or U0109
Plug-and-Play Installation: No Dealer Visit Required
You can get your vehicle back on the road in under an hour with basic hand tools. This is a straightforward replacement that saves you the hassle and cost of having a dealership program a new module.
- Safety First: Disconnect the negative battery terminal.
- Locate the FSCM: On most trucks and SUVs, it’s mounted on the driver’s side frame rail, near the spare tire. On cars and some crossovers, it may be in the trunk or rear compartment area.
- Disconnect and Remove: Carefully unplug the electrical connectors. Use a small pick to release the locking tabs if they are stuck. Then, unbolt the old module from its bracket.
- Install the New Module: Bolt the new, pre-programmed FSCM into place. Before connecting, inspect the vehicle’s harness connectors for any corrosion or damage and clean them with a contact cleaner if necessary.
- Reconnect: Securely plug in the electrical connectors until they click. Reconnect the negative battery terminal.
- Start the Vehicle: Your vehicle should now start and run correctly with restored fuel pressure and performance.
Guaranteed Compatibility
This module is a direct replacement for a wide range of 2010-2012 GM vehicles. It is compatible with the following part numbers. Simply match one of these numbers from your original part to ensure a perfect fit:
Compatible Part Numbers: 20791901, 20827745, 20877116, 20850927
IMPORTANT: After you complete your purchase, please send us a message with your 17-digit VIN. We cannot ship your order until we have your VIN to perform the necessary programming.