Restore Your GM’s Fuel System with a Plug-and-Play Solution
If your 2010-2012 Cadillac Escalade is experiencing frustrating issues like engine stalling, a no-start condition, or a persistent “Service Fuel System” message, the culprit is often a failing Fuel System Control Module (FSCM). As a technician with over two decades of experience, I’ve seen these modules cause headaches for countless owners. Located on the frame rail, they are constantly exposed to water, salt, and road debris, leading to corrosion and internal failure. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and expense out of the repair by pre-programming this module to your vehicle’s specific VIN before it ships. This means you can bypass a costly trip to the dealership for programming. You get a reliable part, flashed with the latest GM software updates, that you or your mechanic can install directly. It’s the most efficient way to get your truck or SUV running properly again.
A Technician’s Notebook: The Misleading Fuel Pump
I once had a 2011 Sierra 1500 towed into my bay with a classic no-start. The customer had already spent a significant amount of money replacing the in-tank fuel pump, convinced it was the problem. Yet, the truck still wouldn’t fire up. A quick scan revealed DTC U0109, “Lost Communication with Fuel Pump Control Module.” We checked the wiring and found it intact. The problem was the original FSCM, corroded from years on the frame rail. We installed a pre-programmed module, and the truck started on the first try. This story is a common one—always check the FSCM before condemning the fuel pump. It can save you hundreds of dollars and a lot of unnecessary work.
Is Your GM Vehicle Showing These Symptoms?
A faulty FSCM can manifest in several ways. If you’re noticing any of the following, it’s time to inspect your module. This is especially true if you see related Diagnostic Trouble Codes (DTCs).
- âś” Engine cranks but will not start
- âś” Stalling, especially under load or when coming to a stop
- âś” Reduced engine power and poor acceleration
- âś” “Service Fuel System” message on the dash
- âś” Check Engine Light with codes like P069E, P0230, or U0109
- âś” Inconsistent fuel pressure readings
A Straightforward Guide to Installation
Installing your new 2010-2012 Escalade FSCM is a job most DIYers can handle with basic tools. Because it arrives pre-programmed, no special electronic tools are needed.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the Module: On most trucks and SUVs, the FSCM is mounted on the driver’s side frame rail, often near the spare tire.
- Disconnect Electrical Connectors: Carefully press the release tabs and pull the electrical connectors straight out. Inspect them for any corrosion or damage.
- Remove Mounting Bolts: Use the appropriate socket to remove the bolts securing the old module to the frame.
- Install the New Module: Mount your new, pre-programmed FSCM in the same location and secure it with the original bolts.
- Reconnect Everything: Plug the electrical connectors firmly into the new module until they click. Reconnect the negative battery terminal.
- Final Check: Turn the key to the ‘On’ position for a few seconds to allow the system to prime, then start the engine. Your vehicle should now run smoothly.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of General Motors vehicles. It is compatible with part numbers 20791901, 20827745, 20877116, and 20850927. Please provide your VIN upon purchase to ensure correct programming. See the detailed list below.
• Escalade / ESV / EXT (2010-2012)
• CTS (2010-2012)
Chevrolet:
• Avalanche 1500 (2010-2012)
• Silverado 1500 (2010-2012)
• Suburban 1500 (2010-2012)
• Tahoe (2010-2012)
• Express 1500 Van (2010-2012)
• Colorado (2010-2012)
• Captiva Sport (2012)
• Impala (2012)
• Traverse (2010-2012)
GMC:
• Sierra 1500 / Denali 1500 (2010-2012)
• Yukon / Yukon XL 1500 (2010-2012)
• Savana 1500 Van (2010-2012)
• Canyon (2010-2012)
• Acadia (2010-2012)
Buick:
• Enclave (2010-2012)
• LaCrosse (2010-2012)
• Regal (2011-2012)
Other GM:
• Hummer H3 (2010)
• Saturn Outlook (2010)
• Saturn Vue (2010)
Frequently Asked Questions
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, providing your 17-digit VIN is essential. We use it to load the exact, most current GM software for your vehicle’s specific configuration. This ensures perfect compatibility and function right out of the box.
Is any additional programming needed after installation?
No. This module is a true plug-and-play part. Because we program it before shipping, you do not need to visit a dealer or use a scan tool for setup. Just install it and you’re ready to go.
Where is the FSCM located on my 2011 Escalade?
On the 2010-2012 Escalade, as with most GM trucks of this era, the Fuel System Control Module is mounted to the inside of the driver-side frame rail, typically above the spare tire area.
Will this fix a P069E trouble code?
Yes, the DTC P069E (Fuel Pump Control Module Requested MIL Illumination) is one of the most common codes indicating a failed FSCM. Replacing the module with this pre-programmed unit is the correct fix in most cases.
Is this part compatible with part number 20827745?
Absolutely. This module is a direct replacement for several part numbers, including 20827745, 20791901, 20850927, and 20877116. It will function identically to the original part.