2019 GMC Sierra 1500: fuel pump failure

Filed Jan 17, 2026 · Engine · FL

6.2L engine lifters were replaced in 05/24. Complete engine failure in 09/25. Engine replaced with remanufactured engine. Fuel pump fail while driving on highway. Engine shutoff completely while driving 70mph. Prior to shut off engine struggled going over a bridge on I95 at 70 mph. Fuel pump failure happened 11/25 after ~900 miles on new engine. All service, maintenance and repairs completed by GMC dealership.

Filed Nov 25, 2025 · Fuel system · 82,000 miles · TX

The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving 62 MPH, the vehicle lost motive power. There was no warning light illuminated. The vehicle was towed to the dealer, where it was diagnosed and determined that the fuel pump module sensor had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 82,000. The VIN was not available.

Filed Sep 23, 2025 · Fuel system · 97,000 miles · MD

The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving on several occasions at undisclosed speeds, the engine was idling low, and the vehicle hesitated like it would stall. The contact stated that while stopped at a red light on several occasions, while the accelerator pedal was depressed, the vehicle jerked and then accelerated. The contact stated that when the accelerator pedal was released, the vehicle continued to accelerate. The brake pedal was depressed to slow down the vehicle. The check engine warning light was illuminated. The vehicle was taken to a dealer, where it was diagnosed, and determined that the fuel pump module needed to be replaced. The vehicle was repaired, but the failure reoccurred a short while later. The manufacturer was notified of the failure. The failure mileage was 97,000.

Filed Sep 5, 2025 · Electrical · TX

Vehicle (2019 GMC Sierra SLT X31!Crew Cab 6.2 l gas engine) stopped running while driving down the road (Wednesday [XXX]. Tried to start truck - would crank over quickly but failed to start ( crank no start with no check engine light.) tried several times same result. Started after about 5-10 minutes and was displaying low fuel indicator even though we knew it had approximately 1/2 tank. We immediately put gas in it and it took approximately 1/2 tank to fill. Still no check engine light and confirmed no stored codes via onstar report. Drove the truck around for may 1hr and check engine light came on but was still running and did not stop running like it did earlier. On star reported ECM SYSTEM CODE P129F ( Fuel pump or fuel pump power control module). Long story short, put truck in independent repair shop I use. They diagnosed it was a defective fuel pump located in fuel tank. They told me GM technical support recommended to replace the fuel pump and fuel pump power and control module at a cost of ~$1325.00. It is my opinion this is a safety hazard and very similar if not exactly the same failure symptoms / modes as others have already reported. I requested to keep the failed parts and still have them in my possession. Please review and let me know if you need or want additional information . Best Regards, [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Oct 5, 2024 · Fuel system · GA

On [XXX] at approximately 2 pm the 2019 GMC Sierra 1500 AT4 (with 6.2 gas motor) motor died while I was driving in traffic. Incident #1 - The vehicle started sputtering and died - no alerts on dash until after the truck died - an empty fuel tank symbol briefly lit up on dash that led me to suspect a fuel pump issue as the fuel tank was full. Safety issue = vehicle failure with no warning in traffic putting occupants in risk. The vehicle would not start and was towed to the GMC dealer where I had purchased the vehicle. Incident #2, the 2019 GMC Sierra 1500 AT4 has an electronic gear shifter and will not go into neutral unless engine is running - problem as needed tow as not able to crank yet struggled to get towed as transmission will not go into neutral - apparently dealer has special tool to put 2019 GMC Sierra into neutral that is not available to consumer. Service department at dealer - Childre GMC in Milledgeville GA - contacted me on September 25, 2024 and stated 2019 GMC Sierra 1500 AT4 needs a Fuel Pump Control Module part number 13565641 but the part is not available in the GM system and may take weeks or months for part to arrive. Apparently, there are other GM trucks at this dealership waiting same part (appears to be a national issue not just a one time issue). Dealer gave me a GMC customer service number to call. I called GMC customer service on September 25, 2024 and registered a complaint that no parts are available to fix my car. Neither the selling dealer or GM customer service offered any relief with a loaner or rental car. Internet searches on forums focused on new GMC/Chevrolet trucks confirm that multiple consumers have this issue with the Fuel Pump Control Module and that GM cannot supply the repair part. The part is not available on the secondary supply chain like AutoZone, Oreilly, or similar. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)