Restore Your Hummer’s Fuel System and End Stalling for Good
There’s nothing more frustrating than an engine that cranks but won’t start, or one that stalls unexpectedly in traffic. If your 2010 Hummer H3 is suffering from these issues, a faulty Fuel System Control Module (FSCM) is the most common culprit. This module, also known as a fuel pump driver module, is the brain behind your fuel pump. It regulates voltage to ensure your engine gets the precise amount of fuel it needs. When it fails, it can leave you stranded. This isn’t just an inconvenience—it’s a critical reliability issue.
We offer a dependable, direct-fit solution: a 2010 Hummer H3 Fuel System Control Module that arrives at your door pre-programmed and ready for installation. We take care of the complex part by flashing the module with the latest GM software, perfectly matched to your vehicle’s VIN. This completely eliminates the need for an expensive trip to the dealership for programming, saving you time, money, and hassle.
From the Diagnostic Bay: The Misleading Fuel Pump
A customer brought in a 2010 H3 that would die intermittently. They had already replaced the in-tank fuel pump twice at another shop, but the problem persisted. A quick scan revealed a P069E code (Fuel Pump Control Module Commanded OFF). Instead of throwing another pump at it, we inspected the FSCM on the rear frame. It was corroded from years of exposure to road salt and moisture. After installing one of our pre-programmed modules, the H3 ran perfectly. It’s a classic case where the component controlling the pump, not the pump itself, was the root cause. This module solves the real problem.
Is Your Hummer H3 Showing These Signs?
- âś” Engine cranks but will not start
- âś” Vehicle starts and then immediately stalls
- âś” Sudden loss of engine power while driving
- âś” Hesitation or stumbling on acceleration
- âś” Check Engine Light is on with codes like P069E, P0230, or U0109
- âś” “Reduced Engine Power” message on the dash
A Straightforward Guide to Installation
Installing your new FSCM is a simple process that most DIYers can complete with basic hand tools. Since we program it beforehand, it’s a true plug-and-play repair.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the Module: On the 2010 Hummer H3, the FSCM is typically mounted to the rear frame crossmember, near the spare tire.
- Remove the Old Module: Unplug the electrical connector. Then, remove the bolts holding the old module to the frame.
- Install the New Module: Bolt your new, pre-programmed FSCM into the same location. Ensure it is mounted securely.
- Connect and Finalize: Plug the electrical harness firmly into the new module. Reconnect your battery terminal. The vehicle is now ready to start.
Verified Vehicle Compatibility
This Fuel System Control Module is a direct replacement for part number 20850927 and is also compatible with part numbers 20791901, 20827745, and 20877116. While this listing is focused on the 2010 Hummer H3 Fuel System Control Module, it also fits a wide range of GM vehicles, including:
- Cadillac Escalade (2010-2012)
- Chevrolet Avalanche 1500 (2010-2012)
- Chevrolet Colorado / GMC Canyon (2010-2012)
- Chevrolet Silverado 1500 / GMC Sierra 1500 (2010-2012)
- Chevrolet Suburban 1500 / GMC Yukon XL 1500 (2010-2012)
- Chevrolet Tahoe / GMC Yukon (2010-2012)
- And many more GM cars, trucks, and SUVs.
Frequently Asked Questions
Do I need to program this module?
No. This is the biggest benefit of our service. We program the module to your specific vehicle using the VIN you provide at checkout. It arrives ready to install, with no extra steps needed.
Where is the FSCM located on my 2010 Hummer H3?
You will find the Fuel System Control Module mounted on the vehicle’s rear frame, typically on a crossmember near the spare tire. Its location makes it vulnerable to weather, which is a common reason for failure.
Will this fix a check engine light for code P069E?
Yes. DTC P069E is one of the most common codes indicating a fault with the Fuel System Control Module. Replacing a failed module with this pre-programmed unit is the correct fix for this code.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information to complete the programming.
Is this part difficult to install myself?
Not at all. For a DIY enthusiast with basic tools, this is a very straightforward job. Since there is no programming required on your end, it’s a simple process of unbolting the old part and bolting in the new one.