Is Your GMC Canyon Stalling, Hesitating, or Refusing to Start?
There’s nothing more frustrating than a truck that won’t run right. You turn the key, it cranks and cranks, but won’t fire up. Or maybe it starts, but then sputters and dies at a stoplight. If your 2010-2012 GMC Canyon is experiencing these issues, a faulty Fuel System Control Module (FSCM) is a very common culprit. This small but critical computer is the brain of your fuel delivery system, and when it fails, it leaves you stranded.
Over my 20+ years in the shop, I’ve seen countless GM trucks and SUVs with these exact symptoms. A customer’s 2011 Canyon was towed in last month. It would crank but not start. The owner had already replaced the fuel pump, but the problem persisted. A quick scan with my diagnostic tool showed a U0109 code – ‘Lost Communication with Fuel Pump Control Module’. This pointed directly to a faulty FSCM, not the new pump he had just paid for. We replaced the FSCM, and the truck fired right up.
The Plug-and-Play Solution That Saves You Time & Money
Traditionally, replacing an FSCM meant buying the part, then having your truck towed to a dealership for expensive programming. We’ve eliminated that step. This module isn’t just a part; it’s a complete solution. When you order from us, we use your vehicle’s VIN to program the module with the very latest GM-certified software before it ships. It arrives at your door ready for a simple, direct installation.
Common Symptoms of a Failing 2010-2012 Canyon FSCM:
- โ Engine cranks but will not start
- โ Vehicle starts and then immediately stalls
- โ Hesitation or stumbling during acceleration
- โ Reduced engine power and poor performance
- โ Check Engine Light with code U0109
Expert Pro Tip: Check Your Connector!
Before installing your new FSCM, take a moment to closely inspect the vehicle’s wiring harness connector. On the Canyon, this module is mounted to the rear center frame, exposing it to road salt, water, and debris. I’ve often found that corrosion (a green or white crust) on the connector pins is the root cause of the failure. Clean the connector thoroughly with a terminal cleaner and a small brush to ensure a perfect connection and prevent damage to your new module.
Plug-and-Play Installation: No Dealer Visit Required
You can do this job right in your driveway with basic hand tools. Hereโs a general guide for a frame-mounted module like on your Canyon:
- Safety First: Disconnect the negative terminal from your truck’s battery.
- Locate the Module: Find the FSCM mounted to the rear center frame rail. It’s a small, typically silver or black box with an electrical connector.
- Disconnect and Remove: Carefully press the tab to release the wiring harness connector. Then, remove the bolts or nuts holding the old module to the frame.
- Install the New Module: Mount your new, pre-programmed FSCM in the same location. Reconnect the wiring harness, ensuring it clicks securely into place.
- Final Step: Reconnect the negative battery terminal. Start your engine and enjoy a truck that runs like it should.
Guaranteed Fitment and Compatibility
This module is a direct replacement for your original part. Simply provide your VIN after purchase, and we handle the rest. This ensures perfect communication between the FSCM, the fuel pump, and your truck’s main computer (ECM).
This part is a direct replacement for the following part numbers: 20791901, 20827745, 20877116, 20850927
Don’t let a faulty module keep you off the road. Get the reliable, pre-programmed solution and fix your truck with confidence.