2021 Chevrolet Suburban fuel, hybrid & EV propulsion problems

Related recalls

• Recall 21V739000Sep 23, 202114,939 vehicles
  FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE

  General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles. The fuel pump power control module may cause the fuel pump to fail or operate intermittently, which can interrupt fuel flow to the engine, and cause an unexpected engine stall.

  Risk: An engine stall increases the risk of a crash.

  Remedy: Dealers will replace the fuel pump power control module, free of charge. Owner notification letters were mailed on October 14, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; or GMC customer service at 1-800-462-8782. GM's number for this recall is N212332040.

What owners say

1. Filed Aug 10, 202670,000 miMATowedFuel, Hybrid & EV Propulsion

   The contact owns a 2021 Chevrolet Suburban. The contact stated that while driving approximately 40 MPH, the vehicle failed to accelerate as needed. The contact was able to coast to the side of the road, and the vehicle was turned off. There were no warning lights illuminated. The vehicle was towed to the dealer and was diagnosed with fuel pump power control module failure. The vehicle was not repaired. The contact discovered a recall for the issue; NHTSA Campaign Number:…

   NHTSA complaint #11755959 · source
2. Filed Aug 7, 2026NYFuel, Hybrid & EV Propulsion

   Fuel pulp module failed on highway. Was told there is not a recall on my VIN even tho online there is a recall and known issue for the part

   NHTSA complaint #11755546 · source
3. Filed Jul 27, 202692,709 miVAFuel, Hybrid & EV Propulsion

   The contact owns a 2021 Chevrolet Suburban. The contact stated that while driving on the highway, the vehicle experienced reduced engine power and failed to exceed 30 MPH. A message pertaining to the deceleration was displayed. The following Monday, the vehicle failed to exceed 35 MPH, and a friend followed the contact while driving to the dealer. The dealer recommended a fuel filter replacement. The contact declined the repair because the fuel filter life was at 47%;…

   NHTSA complaint #11752994 · source
4. Filed Jul 26, 2026VAFuel, Hybrid & EV Propulsion

   Pulled out in 4 lane traffic. Got almost to 55mph. Vehicle lost all power, slowed down and auto shifted to neutral, vehicle stopped and went to park. Vehicle would not start back nor transition to Neutral to remove from highways. 2021 suburban with just 35,000miles. Shut down a lane on a 55mph highway. Code P129F

   NHTSA complaint #11752904 · source
5. Filed May 31, 2026AREngineFuel, Hybrid & EV Propulsion

   Vehicle stalled during routine driving. Code P129F. I was stranded in 95 degree weather with three small children. Please correct and advise ASAP. Had to be towed home. Vehicle inoperable.

   NHTSA complaint #11741176 · source
6. Filed Apr 19, 2026WAFuel, Hybrid & EV Propulsion

   My 2021 Chevrolet Suburban experienced a sudden no start condition which required the vehicle to be towed for repair. A diagnostic inspection determined that both the fuel pump and the fuel pump control module had failed. I paid out of pocket for the full repair, including replacement of both components. Several months later, GM issued a safety recall for the fuel pump control module on this vehicle. I submitted a reimbursement request to GM. GM agreed to reimburse only the…

   NHTSA complaint #11732284 · source
7. Filed Feb 18, 202635,000 miOHTowedElectrical SystemFuel, Hybrid & EV PropulsionTransmission & Drivetrain

   The contact owns a 2021 Chevrolet Suburban. The contact stated that while driving 45 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended, and the vehicle decelerated unintendedly. Additionally, the vehicle failed to exceed 42 MPH. Later in the day, the gear shifter was shifted to reverse; however, the vehicle failed to reverse as intended. The vehicle was taken to the dealer, where it was diagnosed with transmission valve body…

   NHTSA complaint #11718829 · source
8. Filed Jan 30, 2026FLFuel, Hybrid & EV Propulsion

   My 2021 Chevrolet Suburban stalled while driving in late September 2025 and had to be towed to a dealership. The vehicle is subject to an active fuel pump power control module safety recall that has been in effect since 2021. The vehicle was brought in specifically for repair of this issue. The work was processed under warranty, and I was charged a deductible. After learning the repair was directly related to an active safety recall, I requested reimbursement of the…

   NHTSA complaint #11714437 · source
9. Filed Jan 28, 2026WAFuel, Hybrid & EV Propulsion

   The front of the fuel tank is hanging down and nearly dragging on the ground. This was with normal driving on a highway. No hitting bumps or aggressive off-road anything. We noticed when we heard a scraping noise going slowly over a slight incline in a driveway that it was hanging down.

   NHTSA complaint #11713809 · source
10. Filed Dec 10, 2025FLEngineFuel, Hybrid & EV PropulsionTransmission & Drivetrain

    I have a 2021 Chevy Suburban with the L87 6.2L V8 engine. At 7k miles, we have lost propulsion, leaving the car undrivable. resulted in the dealer replacing all 16 lifters under a recognized bulletin. I never received extended 6yr 100k mile powertrain warranty as described in the bulletin. Since then, There have been 3 other issues with loss of propulsion, resulting in replacement of fuel pump modulator. belt pulley system, One of the incidents left us without power or…

    NHTSA complaint #11704228 · source
11. Filed Nov 30, 2025TXFire4 injuredBrakesElectrical SystemFuel, Hybrid & EV Propulsion

    The vehicle caught on fire in our garage The Vehicle had been parked outside than moved into the garage nothing smelled like smoke after it was parked other than the exhaust after I got out of my suburban I have a good idea what caused this but until its done being ispected I happened to look back and saw a flame in the Suburban coming from the center area of the dash on the right hand side of the divers seat I thought for sure it was gonna blow up the dogs were in the back…

    NHTSA complaint #11702142 · source
12. Filed Sep 4, 2025KSEngineFuel, Hybrid & EV Propulsion

    Engine light comes on and now flashes. The service traction control and esc comes on. The whole vehicle shakes when idling. Certified GM dealer hooked it up and it says misfiring cylinder 6. All spark plugs replaced, new GM coil, new spark plug wires. Nothing has fixed it yet.

    NHTSA complaint #11685179 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology