Restore Power and Reliability to Your GM Vehicle
Is your 2013 Cadillac Escalade EXT, or another compatible GM truck or SUV, suddenly stalling, hesitating, or refusing to start? Before you condemn the fuel pump itself, the culprit is often its electronic brain: the Fuel Pump Control Module (FPCM). As a technician with over two decades of diagnostic experience, I’ve seen countless vehicles where a faulty FPCM was the root cause of frustrating fuel delivery problems. This module is the direct, professional-grade solution to get you back on the road with confidence.
This isn’t just a part in a box. This is a complete repair solution. We take a genuine GM module and flash it with the latest, most stable software release specifically for your vehicle’s Vehicle Identification Number (VIN). This means it arrives at your door ready for a straightforward installation, completely bypassing the need for an expensive trip to the dealership for programming. You get a reliable part that communicates flawlessly with your vehicle’s computer systems right out of the box.
From the Diagnostic Bay: The Misleading No-Start
I remember a 2013 Silverado that was towed into my shop. The owner was frustrated because he had just spent a weekend replacing the in-tank fuel pump, but the truck still wouldn’t start. He was convinced he got a bad pump. I hooked up my scan tool and saw the key symptom: DTC U0109 – Lost Communication with Fuel Pump Control Module. I checked the FPCM’s power and ground on the frame rail—both were good. The problem was the module itself had failed internally, so it couldn’t command the brand-new pump to turn on. We installed a VIN-programmed FPCM, and the truck fired right up. This simple module saved him from another unnecessary repair and hours of frustration.
Is Your Vehicle Showing These Symptoms?
A failing FPCM can mimic a bad fuel pump, but there are distinct signs. If you’re experiencing any of the following, this module is the likely solution.
- ✔ Engine cranks but won’t start
- ✔ Stalling, especially under load or when coming to a stop
- ✔ Severe engine hesitation or sputtering during acceleration
- ✔ Reduced engine power and performance
- ✔ An illuminated Check Engine Light with specific codes
- ✔ Common Diagnostic Trouble Codes (DTCs): P069E, P0230, U0109
A Straightforward Guide to Installation
Replacing the FPCM is a job most DIYers can handle in their own driveway. While the location varies by model (see fitment list), the process is generally the same.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the Module: On most trucks/SUVs (like the Escalade, Tahoe, Sierra), it’s on the driver’s side frame rail, near the spare tire. On cars/crossovers (CTS, Traverse), it may be in the trunk or on a rear crossmember.
- Disconnect: Carefully unplug the electrical connectors. Use a small flathead screwdriver to gently release the locking tabs if they are stiff.
- Remove Old Module: Unbolt the module from its mounting location. It’s typically held on by two small bolts.
- Install New Module: Bolt your new, pre-programmed module into place.
- Reconnect: Plug the electrical connectors firmly into the new module until they click. Reconnect your battery terminal.
- Final Step: Start the vehicle. It should fire up and run smoothly with restored fuel pressure.
Verified Vehicle Compatibility
This module, part number 20964305 (also replaces 20964304), is a direct-fit replacement for a wide range of GM vehicles. Please confirm your model and options below.
AVALANCHE 1500 13 (LH frame rail), w/o integrated trailer brake control
CTS 13 (LH rear compartment)
CTS 14 Cpe, SW, or Sdn VIN D (V-Series) (LH rear compartment)
CTS 15 Cpe (LH rear compartment)
ENCLAVE 13-14 (rear crossmember)
ESCALADE & ESV 13-14 (LH frame rail), w/o integrated trailer brake control
ESCALADE EXT 13 (LH frame rail), w/o integrated trailer brake control
EXPRESS 1500 VAN 13-14 (LH frame rail)
IMPALA 13-16 VIN W (Limited) (RH rear quarter panel)
SAVANA 1500 VAN 13-14 (LH frame rail)
SIERRA 1500 & DENALI 1500 13 (LH frame rail), w/o integrated trailer brake control
SILVERADO 1500 PICKUP 13 (LH frame rail), w/o integrated trailer brake control
SUBURBAN 1500 13-14 (LH frame rail), w/o integrated trailer brake control
TAHOE 13-14 (LH frame rail), w/o integrated trailer brake control
TRAVERSE 13-14 (rear crossmember)
YUKON & YUKON XL 1500 13-14 (LH frame rail), w/o integrated trailer brake control
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 vehicle’s specific VIN before shipping it. It arrives ready to install, saving you a trip to the dealer and avoiding expensive programming fees.
What information do you need from me?
After you place your order, you must provide us with your 17-digit Vehicle Identification Number (VIN). We cannot ship the part until we have this information to program it correctly.
What does the Fuel Pump Control Module (FPCM) do?
The FPCM, also called a Fuel System Control Module (FSCM), is a small computer that receives commands from the main Engine Control Module (ECM) and precisely controls the voltage sent to the fuel pump. This regulates fuel pressure and flow for optimal engine performance and efficiency.
Where is this module located on my truck?
For most trucks and large SUVs like the Escalade, Silverado, and Tahoe, it is mounted to the inside of the driver’s side frame rail, typically ahead of the rear axle. On other vehicles, its location can vary, so a quick visual inspection or search for your specific model is recommended.
Is this a genuine GM part?
Yes, we start with a genuine GM component and load it with the latest official GM software for your vehicle. You get OEM-level reliability and fitment.