Restore Your Vehicle’s Fuel System with a Reliable, Pre-Programmed Module
Is your 2011-2012 Buick Regal or other GM vehicle experiencing frustrating and unpredictable fuel delivery problems? Issues like engine stalling, a crank-no-start condition, or a persistent Check Engine Light can often be traced back to a failing Fuel System Control Module (FSCM), also known as a fuel pump driver module. This vital component acts as the brain for your fuel pump, regulating voltage to ensure precise fuel pressure. When it fails, it can leave you stranded. This isn’t just an inconvenience; it’s a critical failure that demands a reliable fix.
A Technician’s Notebook
I remember a 2011 Cadillac CTS that came into the bay with a classic crank-no-start symptom. The owner had already replaced the in-tank fuel pump, assuming it was the obvious culprit, but the problem persisted. A quick scan revealed DTC P069E (Fuel Pump Control Module Commanded On). Instead of throwing more parts at it, we checked the FSCM. These modules, especially on vehicles exposed to harsh weather, are notorious for internal corrosion and failure. We swapped in a pre-programmed module, and the car fired right up. It’s a textbook case I’ve seen dozens of times; the FSCM is often the root cause, not the pump itself.
Is Your Vehicle Showing These Symptoms?
A failing FSCM can manifest in several ways. If you’re noticing any of the following, this module is the likely solution.
- ✔ Engine struggles to start or won’t start at all (crank-no-start).
- ✔ Stalling while driving, especially under load or during acceleration.
- ✔ Rough idling or engine hesitation.
- ✔ Reduced engine power and poor fuel economy.
- ✔ Check Engine Light illuminated with codes such as P069E, P0230, or U0109.
The Plug-and-Play Advantage: No Dealer Visit Required
The biggest hurdle in replacing a modern electronic module is the need for expensive, vehicle-specific programming. We eliminate that step for you. Before we ship your part, we use your vehicle’s VIN to flash this 2011-2012 Regal FSCM with the latest, most stable software directly from GM. This means the module arrives at your door ready for a straightforward installation. You get a reliable repair without the high cost and hassle of a trip to the dealership, saving you time and hundreds of dollars in programming fees.
A Straightforward Guide to Installation
For the 2011-2012 Buick Regal, the FSCM is located inside the trunk, behind the left-hand (driver’s side) quarter panel trim. While professional installation is always an option, a confident DIYer can complete this job with basic tools.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Access the Module: Open the trunk and remove the necessary floor coverings and trim clips to pull back the left-side interior trim panel.
- Locate the FSCM: You will see the old module mounted to the vehicle’s body. It’s a small black box with an electrical connector.
- Disconnect and Remove: Carefully press the release tab on the electrical connector and pull it straight out. Then, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed FSCM onto the bracket and tighten the bolts. Securely plug in the electrical connector until it clicks.
- Reassemble and Test: Reinstall the interior trim panels. Reconnect the negative battery terminal, turn the key to the ‘On’ position for a few seconds to prime the system, and then start the engine.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 20850927, 20791901, 20827745, and 20877116. It fits a wide range of GM vehicles. Please verify your model and year below.
- Buick: Enclave (10-12), LaCrosse (10-12), Regal (11-12)
- Cadillac: CTS (10-12), Escalade / ESV / EXT (10-12)
- Chevrolet: Avalanche 1500 (10-12), Captiva Sport (12), Colorado (10-12), Express 1500 Van (10-12), Impala (12), Silverado 1500 (10-12), Suburban 1500 (10-12), Tahoe (10-12), Traverse (10-12)
- GMC: Acadia (10-12), Canyon (10-12), Savana 1500 Van (10-12), Sierra 1500 / Denali 1500 (10-12), Yukon / Yukon XL 1500 (10-12)
- Hummer: H3 (10)
- Saturn: Outlook (10), Vue (10)
Frequently Asked Questions
Why does this module need to be programmed?
The FSCM is programmed to your vehicle’s specific VIN to ensure it communicates correctly with the Engine Control Module (ECM) and delivers the precise fuel pressure required for optimal performance and efficiency. Our pre-programming service handles this for you.
Is this part truly plug-and-play?
Yes. Because we program the module to your VIN before shipping, it arrives ready to be installed without any further calibration or dealer intervention. Just install it, and you’re ready to go.
What information do you need from me?
After you place your order, we will need your vehicle’s 17-digit Vehicle Identification Number (VIN) to perform the programming. You can typically find this on your dashboard (viewable through the windshield) or on your driver’s side door jamb sticker.
Could a bad FSCM be mistaken for a bad fuel pump?
Absolutely. The symptoms are nearly identical, as both parts result in a lack of fuel pressure. It’s a common misdiagnosis. A key indicator of a bad FSCM is a specific trouble code like P069E, which points directly to the control module circuit.
Where is the FSCM located on my truck or SUV?
On most GM trucks and full-size SUVs like the Silverado, Sierra, and Tahoe, the FSCM is typically mounted on the driver’s side frame rail, near the spare tire. It’s exposed to the elements, which is a common reason for its failure.