Restore Your Escalade’s Performance and Reliability
Is your 2010-2012 Cadillac Escalade EXT stalling, hesitating, or refusing to start? Are you seeing a frustrating ‘Reduced Engine Power’ message on your dash? Before you condemn the fuel pump, the real culprit is often the Fuel System Control Module (FSCM). As a technician with over two decades of experience, I’ve seen this exact scenario play out countless times. This crucial component regulates the voltage sent to your fuel pump, and when it fails, it starves your engine of the fuel it needs. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded.
This Fuel System Control Module is the definitive solution. We take the hassle and guesswork out of the repair by pre-programming the module to your vehicle’s specific Vehicle Identification Number (VIN). This means it arrives at your door with the latest GM software updates already installed, ready for a direct, plug-and-play installation. You get a reliable, long-term fix without the added expense or time of a dealership visit for programming.
From the Diagnostic Bay: The Escalade That Wouldn’t Stay Running
A customer brought in his 2011 Escalade with a classic complaint: it would start fine but stall randomly at stoplights or during low-speed driving. He had already spent a significant amount of money replacing the in-tank fuel pump at another shop, but the problem persisted. When I connected my scanner, I found DTC P069E stored in the ECM—a code indicating a fault in the fuel pump control module command. A quick check of the FSCM, located on the driver’s side frame rail, revealed significant corrosion on the housing and connectors—a common failure point. We installed a new, VIN-programmed module, and the truck ran perfectly. This case highlights why correctly diagnosing the FSCM is critical; it saved the customer from further unnecessary repairs and restored his confidence in his vehicle.
Is Your Escalade Showing These Signs?
A failing FSCM can manifest in several ways. If you’re experiencing any of the following, this module is the likely solution:
- âś” Engine stalling, especially at idle or under light load
- âś” No-start or extended cranking condition
- âś” ‘Reduced Engine Power’ message displayed
- âś” Check Engine Light with fuel system-related codes
- âś” Common Diagnostic Trouble Codes (DTCs): P069E, P0230, P2635, U0109
- âś” Inconsistent fuel pressure readings
A Straightforward Guide to Installation
One of the best features of this module is its simple installation. Because it’s pre-programmed, you won’t need any special scan tools. This is a job most DIYers can handle in their driveway in under an hour.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the Module: On the Escalade EXT, the FSCM is mounted on the outside of the driver’s side frame rail, typically near the spare tire.
- Disconnect Electrical Connectors: Carefully press the release tabs and unplug the two electrical connectors from the old module. Inspect the connectors for any corrosion or damage.
- Remove the Old Module: The module is typically held in place by two bolts. Use the appropriate socket to remove them and take the old module off the frame.
- Install the New Module: Mount your new, pre-programmed FSCM onto the frame and tighten the mounting bolts securely.
- Reconnect and Finalize: Plug the electrical connectors into the new module until they click into place. Reconnect the negative battery terminal. The repair is complete!
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of GM vehicles. We’ve programmed it to match your VIN, ensuring perfect function. It is compatible with part numbers 20791901, 20827745, 20877116, and 20850927. Please verify your vehicle is on the list below:
- Cadillac Escalade / ESV / EXT (2010-2012)
- Chevrolet Avalanche 1500 (2010-2012)
- Chevrolet Silverado 1500 (2010-2012)
- Chevrolet Suburban 1500 (2010-2012)
- Chevrolet Tahoe (2010-2012)
- GMC Sierra 1500 / Denali 1500 (2010-2012)
- GMC Yukon / Yukon XL 1500 (2010-2012)
- Buick Enclave (2010-2012)
- Buick LaCrosse (2010-2012)
- Buick Regal (2011-2012)
- Cadillac CTS (2010-2012)
- Chevrolet Captiva Sport (2012)
- Chevrolet Colorado (2010-2012)
- Chevrolet Express / GMC Savana 1500 Van (2010-2012)
- Chevrolet Impala (2012)
- Chevrolet Traverse (2010-2012)
- GMC Acadia (2010-2012)
- GMC Canyon (2010-2012)
- Hummer H3 (2010)
- Saturn Outlook (2010)
- Saturn Vue (2010)
Note: After purchase, please send us your VIN. We cannot ship your part until we program it.
Frequently Asked Questions
Why do I need to provide my VIN?
Your VIN is required so we can program the module with the exact software and calibrations for your specific vehicle. This ensures it communicates correctly with your engine computer and functions perfectly upon installation, eliminating the need for a trip to the dealer.
Is this part truly plug-and-play?
Yes. Because we program it to your VIN before shipping, it is ready to be installed right out of the box. No further programming or calibration is required. Just bolt it on, plug it in, and you’re ready to go.
Where is the FSCM located on a 2012 Escalade EXT?
On most GM trucks and SUVs from this era, including the Escalade EXT, the Fuel System Control Module is mounted to the driver’s side frame rail, often near the spare tire area. It’s exposed to the elements, which is a primary reason for its failure.
My old module has a different part number. Will this still work?
Yes, as long as your old part number is one of the compatible numbers listed (20791901, 20877116, 20850927). GM often consolidates part numbers. This module, 20827745, is the correct service replacement for all of them.
Will this fix a P069E trouble code?
In the vast majority of cases, yes. The DTC P069E specifically points to a fault within the Fuel Pump Control Module circuit. Replacing a faulty FSCM is the standard and correct repair for this code.