Restore Your Truck’s Performance and Reliability
Is your 2013 GMC Sierra 1500 suddenly stalling, hesitating during acceleration, or refusing to start altogether? Before you condemn the fuel pump, the culprit is often a faulty Fuel Pump Control Module (FPCM). This crucial component, also known as a Fuel System Control Module (FSCM), regulates the voltage sent to your fuel pump, ensuring precise fuel pressure for optimal engine performance. When it fails, it can leave you stranded and frustrated. I’ve seen it countless times in my shop: a truck comes in on a tow hook with a no-start condition, and the diagnostic codes point directly to this module.
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 very latest official software updates using your vehicle’s specific Vehicle Identification Number (VIN). This means you get a part that communicates perfectly with your truck’s computer systems, correcting common drivability issues and preventing the need for an expensive trip to the dealership for programming. This is the definitive fix for a failing 2013 Sierra 1500 FPCM.
Case Study: A Tricky Diagnosis
A customer brought in his 2013 Sierra 1500 with a classic complaint: intermittent stalling at red lights and a long crank time in the mornings. He had already replaced the fuel pump himself, but the problem persisted. His scanner showed a P069E code (Fuel Pump Control Module Requested MIL Illumination). Instead of just throwing another part at it, we checked the FPCM’s power and ground—they were solid. The issue was internal to the module; it was failing under load. We installed one of our pre-programmed modules, and the truck fired up instantly. The customer was back on the road in under an hour, relieved that the real problem was finally solved.
Common Signs of a Failing FPCM
If you’re experiencing any of the following, a faulty fuel pump control module is a likely cause. A failing 2013 Sierra 1500 FPCM can trigger multiple issues and diagnostic trouble codes (DTCs).
- ✔ Engine cranks but will not start
- ✔ Stalling, especially under load or at idle
- ✔ Vehicle hesitation or sputtering during acceleration
- ✔ Reduced engine power and poor fuel economy
- ✔ Check Engine Light with codes like P069E, U0109, or P0230
A Straightforward Guide to Installation
Replacing the FPCM on your Sierra is a job most DIYers can handle with basic tools. For the 2013 Sierra 1500, you’ll typically find it mounted on the driver-side frame rail, near the spare tire.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the Module: Find the FPCM on the inside of the driver-side frame rail. It’s a small black box with electrical connectors.
- Disconnect and Remove: Carefully unplug the electrical connectors. Use a socket wrench to remove the bolts or nuts securing the module to the frame.
- Install the New Module: Mount your new, pre-programmed FPCM in the same location. Secure it with the original hardware.
- Reconnect: Plug the electrical connectors firmly into the new module. You should hear a click.
- Final Step: Reconnect the negative battery terminal. Start the vehicle to confirm the repair. The engine should start and idle smoothly.
Verified Vehicle Compatibility
This module is a direct-fit replacement for part numbers 20964305 and 20964304. Please verify your vehicle is on this list. Note the specific locations and options for different models.
- Acadia 2013-2014 (Rear crossmember)
- Avalanche 1500 2013 (LH frame rail), w/o integrated trailer brake control
- CTS 2013 (LH rear compartment)
- CTS 2014 Coupe & SW (LH rear compartment)
- CTS 2014 Sedan, VIN D (4th digit, V-Series) (LH rear compartment)
- CTS 2015 Coupe (LH rear compartment)
- Enclave 2013-2014 (Rear crossmember)
- Escalade & ESV 2013-2014 (LH frame rail), w/o integrated trailer brake control
- Escalade EXT 2013 (LH frame rail), w/o integrated trailer brake control
- Express 1500 Van 2013-2014 (LH frame rail)
- Impala 2013 (RH rear quarter panel)
- Impala 2014-2016 VIN W (Limited) (RH rear quarter panel)
- Savana 1500 Van 2013-2014 (LH frame rail)
- Sierra 1500 Pickup 2013 (LH frame rail), w/o integrated trailer brake control
- Sierra Denali 1500 2013 (LH frame rail), w/o integrated trailer brake control
- Silverado 1500 Pickup 2013 (LH frame rail), w/o integrated trailer brake control
- Suburban 1500 2013-2014 (LH frame rail), w/o integrated trailer brake control
- Tahoe 2013-2014 (LH frame rail), w/o integrated trailer brake control
- Traverse 2013-2014 (Rear crossmember)
- Yukon & Yukon XL 1500 2013-2014 (LH frame rail), w/o integrated trailer brake control
By purchasing this pre-programmed 2013 Sierra 1500 FPCM, you’re getting a reliable, cost-effective solution that restores your truck’s factory performance without the dealership hassle.
Frequently Asked Questions
Do I need to program this module?
No. This module arrives at your door pre-programmed to your vehicle’s specific VIN. It is a true plug-and-play solution, saving you a trip to the dealership.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship the part until we have this information to program it correctly.
Where is the FPCM located on my 2013 Sierra 1500?
On the 2013 Sierra 1500, the Fuel Pump Control Module is typically mounted on the driver’s side (LH) frame rail, often near the spare tire.
What happens if I don’t replace a bad FPCM?
Continuing to drive with a failing FPCM can lead to unpredictable stalling, which is a significant safety hazard. It can also cause a no-start condition, leaving you stranded, and may put extra strain on your new fuel pump if it was recently replaced.
Is this compatible with part number 20964304?
Yes, this module, part number 20964305, is a fully compatible and updated replacement for the earlier part number 20964304.