Restore Your Escalade’s Performance with a Plug-and-Play Solution
If your 2010-2012 Cadillac Escalade EXT is suffering from hard starts, stalling, or a frustrating crank-no-start condition, a failing Fuel System Control Module (FSCM) is a very likely culprit. This module is the electronic brain that precisely manages the fuel pump’s operation, ensuring your engine gets the exact amount of fuel it needs under all driving conditions. When it fails, it can leave you stranded and facing a confusing diagnosis. Stop guessing and get the definitive fix.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM module and flash it with the latest, most stable software updates using your vehicle’s specific VIN. This crucial step means you can bypass the expensive trip to the dealership for programming. You get a part that is guaranteed to communicate flawlessly with your Escalade’s computer systems right out of the box, restoring lost power, fuel efficiency, and reliability.
From the Diagnostic Bay: The No-Start Escalade
I had a 2011 Escalade EXT towed into my shop last month. The owner was frustrated; it would crank all day but wouldn’t fire up. He’d already replaced the fuel pump, thinking that was the obvious issue, but the problem persisted. My first step was to hook up my professional scan tool. I wasn’t getting any fuel pressure readings. Instead of just throwing more parts at it, I checked for communication with the 2010-2012 Escalade EXT FSCM. Sure enough, the scan tool couldn’t see it, and I pulled a U0109 ‘Lost Communication With Fuel Pump Control Module’ code. This is a classic sign. The module, exposed to the elements on the frame rail, had failed internally. We installed one of our pre-programmed modules, and the truck fired up on the first try. The customer saved hundreds by avoiding a dealership tow and programming fees.
Is Your Escalade Showing These Fuel System Failure Signs?
A failing FSCM can manifest in several ways. If you’re experiencing any of the following, it’s time to inspect your fuel system’s brain.
- ✔ Engine cranks but will not start
- ✔ Stalling, especially under load or when coming to a stop
- ✔ Rough idle or hesitation during acceleration
- ✔ Reduced engine power and poor fuel economy
- ✔ Check Engine Light with specific diagnostic trouble codes (DTCs) like P069E, P0230, or U0109
- ✔ Inconsistent fuel pressure readings
DIY-Friendly FSCM Installation Guide
Replacing the FSCM on your GM truck or SUV is a straightforward job for a confident DIYer. It’s typically located on the driver’s side frame rail, near the spare tire.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: Find the FSCM mounted to the vehicle’s frame. It’s a small, black plastic box with electrical connectors. You may need to lower the spare tire for better access.
- Disconnect and Remove: Carefully unplug the electrical connectors. Note their orientation. Then, unbolt the module from the frame. These bolts can sometimes be rusty, so a little penetrating oil can help.
- Install the New Module: Bolt the new, pre-programmed 2010-2012 Escalade EXT FSCM into place. Reconnect the electrical connectors, ensuring they click securely into position.
- Final Steps: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting) for 10-15 seconds to allow the system to prime, then start the vehicle. Your fuel system should now be fully operational.
Confirmed Vehicle Compatibility List
This module is a direct replacement for part numbers 20791901, 20827745, 20877116, and 20850927 and fits a wide range of GM vehicles. Please verify your model and year below. Providing your VIN at checkout is required to ensure perfect programming for your specific application.
ACADIA 10-12 (rear crossmember)
AVALANCHE 1500 10-12 (LH frame rail)
CANYON 10-12 (rear center frame)
CAPTIVA SPORT 12 (LH rear compartment)
COLORADO 10-12 (rear center frame)
CTS 10-12 (LH rear compartment)
ENCLAVE 10-12 (rear crossmember)
EXPRESS/SAVANA 1500 VAN 10-12 (LH frame rail)
HUMMER H3 10 (rear frame)
IMPALA 12 (RH rear quarter panel)
LACROSSE 10-12 (RH rear trunk)
OUTLOOK 10
REGAL 11-12 (LH rear quarter interior)
SIERRA/SILVERADO 1500 PICKUP 10-12 (LH frame rail)
SUBURBAN/YUKON XL 1500 10-12 (LH frame rail)
TAHOE/YUKON 10-12 (LH frame rail)
TRAVERSE 10-12 (rear crossmember)
VUE 10 (RH rear engine compartment)
…and more. Please check the detailed list or contact us with your VIN.
Frequently Asked Questions
Frequently Asked Questions
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the module with the exact software and calibrations for your Escalade’s specific options. This ensures 100% plug-and-play compatibility and avoids communication errors with other vehicle systems.
Is this part difficult to install myself?
For most DIYers with basic tools, this is a very manageable repair. The module is typically mounted on the frame rail and is accessible once the vehicle is safely lifted or the spare tire is moved. Our installation guide provides the key steps.
What happens if I install a module that isn’t programmed?
An unprogrammed module will not work. The vehicle’s main computer (ECM/PCM) will not be able to communicate with it, resulting in a no-start condition and setting communication fault codes. Our service saves you this major headache.
Is this a genuine GM part?
Yes, we use genuine OEM-spec modules and load them with the latest official GM software updates. This ensures the highest level of reliability and performance, unlike many aftermarket alternatives.
Will this fix my P069E code?
Yes, the code P069E (Fuel Pump Control Module Requested MIL Illumination) is one of the most common indicators of a failing FSCM. Replacing the module with our pre-programmed unit is the correct and reliable fix for this issue.
What are the compatible part numbers for this module?
This module is a direct replacement for part numbers 20791901, 20827745, 20877116, and 20850927. If your old module has one of these numbers, this is the correct part for you.