Is Your GM Truck or SUV Stalling, Hesitating, or Refusing to Start?
You turn the key, the engine cranks, but it just won’t fire up. Or worse, you’re driving down the road and the engine suddenly cuts out, leaving you stranded. If you’re experiencing these frustrating and dangerous symptoms in your 2010-2012 GM vehicle, the culprit is very often a failed Fuel System Control Module (FSCM). In my 20+ years as a diagnostic technician, I’ve seen this exact scenario play out hundreds of times, especially on trucks and SUVs where the module is mounted on the frame rail, exposed to years of moisture, salt, and road debris.
The Real-World Solution: A VIN-Programmed GM Fuel Control Module
Don’t just replace the partโget the complete, hassle-free solution. This isn’t just a generic module off a shelf. We take a genuine GM Fuel Control Module and professionally program it with the latest GM-certified software, specifically matched to your vehicle’s VIN. This critical step ensures perfect communication between the FSCM, the fuel pump, and your vehicle’s main computer (ECM). By doing this programming for you, we eliminate the need for an expensive trip to the dealership for calibration. You get a part that is truly plug-and-play, ready to install right out of the box.
Common Symptoms of a Failing FSCM:
- โ Engine cranks but will not start
- โ Vehicle stalls unexpectedly while driving
- โ “Reduced Engine Power” message on the dash
- โ Hesitation or stumbling during acceleration
- โ Check Engine Light with codes like P069E, P0230, P0606, or U0109
Expert Pro Tip: Check The Connector Before You Install
Before you bolt on the new module, take 60 seconds to closely inspect the vehicle’s electrical connector harness. The same moisture and corrosion that kills the original FSCM often damages the connector pins inside. Look for any green or white crust, or bent pins. Use a small pick and a quality electrical contact cleaner to ensure every pin is clean, bright, and straight. A poor connection at the harness can mimic the symptoms of a failed module and prevent the new part from working correctly.
Plug-and-Play Installation: No Dealer Visit Required
Installing your new, pre-programmed module is a straightforward process that you can do in your own driveway. While locations vary slightly by model (see your specific fitment), the general steps are simple.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the FSCM: On most trucks and SUVs (Silverado, Sierra, Tahoe, Yukon), it’s mounted to the driver’s side frame rail, near the spare tire. On other vehicles (CTS, LaCrosse, Acadia), it may be in the trunk or rear compartment area.
- Disconnect and Remove: Carefully release the locking tab on the electrical connector and pull it straight off. Then, remove the bolts or nuts holding the old module in place.
- Install the New Module: Bolt your new, pre-programmed FSCM into position.
- Reconnect: Firmly plug the electrical connector into the new module until it clicks into place. Give it a gentle tug to ensure it’s secure.
- Power Up: Reconnect the negative battery terminal. Your vehicle is now ready to start with its fuel system operating as designed.
Guaranteed Compatibility for Your Vehicle
This module is a direct replacement for a wide range of 2010-2012 General Motors vehicles and is compatible with multiple original part numbers, including 20791901, 20827745, 20877116, and 20850927. By providing your VIN at checkout, you guarantee that you will receive a part that is not only physically compatible but also electronically matched to your exact vehicle configuration. Restore your vehicle’s performance and reliability with confidence.