Which parts fail
Components named in complaints (fuel pump, injectors, fuel tank, hybrid and EV propulsion).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2021 GMC Yukon owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2021 GMC Yukon. The contact stated that while the vehicle was idling in a drive-thru, the vehicle lost motive power and stalled. The contact stated that no warning lights were illuminated. The contact stated that he was able to restart the vehicle and drove the vehicle with no issues however, the next day the failure recurred. The vehicle was towed to the dealer where the failure was diagnosed as a power control module malfunction. The contact stated that the power control module was replaced under warranty. The contact stated that failure recurred several weeks later. The vehicle was towed back to the dealer where the failure was unable to be replicated. The vehicle was test-driven at the dealer for about 50 miles and no repairs were completed. The contact stated that the failure recurred for the third time and was awaiting a tow to the dealer. …
The contact owns a 2021 GMC Yukon. The contact stated that while driving at various speeds, the vehicle failed to accelerate as intended while the accelerator pedal was depressed. The messages "Reduce Acceleration - Drive with Care", "Service Traction Control", and "Service ESC" were displayed on the instrument panel. The check engine and traction control warning lights were illuminated. The vehicle was taken to a local dealer, where it was diagnosed, and determined that the high-pressure fuel pump needed to be replaced. The vehicle was repaired at the owner's expense; however, the failure reoccurred. The vehicle was taken back to the same local dealer, where it was diagnosed as possibly needing a low-pressure fuel pump failure and codes that needed to be cleared. The vehicle was repaired; however, the failure reoccurred. …
The contact owns a 2021 GMC Yukon. The contact stated that while driving at an undisclosed speed, the vehicle shuddered. The message to restart the vehicle was displayed. The contact stated that the vehicle shut off unexpectedly. Additionally, the check engine warning light was illuminated the day before the failure. The contact stated that while attempting to start the vehicle, the failure reoccurred. The vehicle was taken to Auto Zone and diagnosed with a fuel pump control module failure. The contact was made aware of an undisclosed recall. The contact was referred to the dealer for assistance. The vehicle was not repaired. The vehicle was later towed to the dealer, where it was diagnosed with a failed fuel pump control module. The contact was informed that the fuel pump control module needed to be replaced. The vehicle was not repaired. …
The contact owns a 2022 GMC Yukon. The contact stated while driving at an undisclosed speed, the vehicle stalled, and the engine seized. The contact attempted to restart the vehicle however, the vehicle failed to restart. There were several family members inside the vehicle during the failure. No warning lights were illuminated. A nearby driver attempted to jumpstart the vehicle; however, the vehicle failed to start. The vehicle was towed to an independent mechanic where it was diagnosed with a failed fuel pump modulator. The contact was referred to the dealer for assistance. The vehicle was then towed to the dealer where it was diagnosed with a failed fuel pump modulator. The contact was informed that the fuel pump modulator needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was filed. …
The contact owns a 2021 GMC Yukon. The contact stated that the vehicle was difficult to start. The contact stated that while his wife was driving 50 MPH the following day, the message "Press Start Again" was displayed. The contact stated that the vehicle then stalled while the driver was pulling to the side of the roadway. The contact's wife was able to pull to the side of the roadway and restarted the vehicle. The check engine warning light was illuminated. The contact's wife was able to drive back to the residence. The contact stated that while scanning the vehicle with a vehicle scanner, the diagnostic trouble code: P129F was retrieved. The dealer was contacted and was provided the diagnostic trouble code: P129F. The dealer confirmed that the failure was related to NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline); however, the VIN was not included. …
The contact owns a 2021 GMC Yukon. The contact stated while driving 25 MPH, upon accelerating from a light, the vehicle began to shake and decelerated and failed to accelerate and exceed 25 MPH. The vehicle accelerated, jerked, and stalled. The check engine warning light was illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the fuel pump control module needed to be replaced. The mechanic informed the contact that the parts were on backorder. The vehicle was not repaired. The contact stated that the failure was related to NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline). The manufacturer was notified of the failure and opened a case. The failure mileage was approximately 67,150.
The contact owns a 2021 GMC Yukon. The contact stated that while driving approximately 5 mph the vehicle suddenly stalled. The contact had to press the accelerator a few times before the vehicle moved. Then after reversing out of a parking space then attempting to put the vehicle in drive and accelerate forward the vehicle stalled instead. The contact was unable to recall any warning lights. The vehicle was not able to go into neutral. The vehicle was towed to the dealership who diagnosed that the fuel pump module failed and needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 9,000.
The contact owns a 2021 GMC Yukon. The contact stated that while driving approximately 55 MPH, the vehicle decelerated independently and stalled. The vehicle failed to restart and was later towed to the local dealer who diagnosed that the fuel pump power control module was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was provided. The contact was informed that the VIN was not included in NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 50,500.
The contact owns a 2021 GMC Yukon. The contact stated that the vehicle failed to start. The vehicle was towed to the dealer, where it was diagnosed that the fuel pump control module needed to be replaced; however, the replacement part was on backorder. The vehicle was not repaired. The manufacturer was made aware of the failure and informed the contact that they would assist in expediting the replacement part. A case was opened with the manufacturer. The contact related the failure to NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline) however, the VIN was not included in the recall. The failure mileage was approximately 11,000.
The contact owns a 2021 GMC Yukon. The contact stated while driving approximately 80 MPH, the vehicle stalled. The contact was unable to veer to the side of the road and was unable to restart the vehicle. The check engine warning light was illuminated. The vehicle was towed to the dealer, where it was determined that the fuel pump power control module had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The contact was awaiting a call back from the manufacturer. The failure mileage was approximately 29,000.
Related recalls
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.
Remedy: Dealers will replace the fuel pump power control module, free of charge. Owner notification letters were mailed on October 14, 2021.
Fuel system, gasoline › Storage › Tank assembly
General Motors, LLC (GM) is recalling certain 2021 Chevrolet Tahoe and GMC Yukon vehicles. The fuel tank assemblies may be missing adhesive between two layers of the fuel tank shell which may result in a fuel leak.
Remedy: GM will notify owners, and dealers will replace the fuel tank, free of charge. The recall began March 6, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782.
Fuel System complaints in other Yukon years
Frequently asked questions
How common are fuel system problems on the 2021 GMC Yukon?
NHTSA has 56 complaints about the fuel & propulsion system of the 2021 GMC Yukon, 16% of the model year's 341 complaints. The component named most often is delivery › fuel pump › control/drive module (3 mentions).
Is there a recall for 2021 GMC Yukon fuel system problems?
Yes — NHTSA recall 21V-739 (control/drive module, Sep 23, 2021); NHTSA recall 21V-064 (tank assembly, Feb 11, 2021). Recall repairs are free at authorized dealers.
At what mileage do 2021 GMC Yukon fuel system problems start?
Half of the complaints with a recorded mileage happened before about 51,000 miles, and 25% before 25,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.