general problems of the 2021 GMC Yukon

Nine problems related to gasoline fuel system have been reported for the 2021 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2021 GMC Yukon based on all problems reported for the 2021 Yukon.

1 Gasoline Fuel System problem

Failure Date: 11/05/2025

The contact owns a 2021 GMC Yukon. The contact stated while driving at an undisclosed speed, 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 had failed and needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA hotline for assistance. The approximate failure mileage was 30,000.

2 Gasoline Fuel System problem

Failure Date: 07/23/2025

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 referenced NHTSA campaign number: 21v739000 (fuel system, gasoline); however, the VIN was not included in the recall. The contact was advised to contact the NHTSA hotline to report the failure. The failure mileage was approximately 52,000.

3 Gasoline Fuel System problem

Failure Date: 07/19/2025

The contact owns a 2021 GMC Yukon xl. The contact stated that while driving approximately 55 mph, the vehicle decelerated and stalled. During the failure, the check engine warning light was illuminated, and the vehicle was pulled over to the shoulder of the roadway. The vehicle was towed to the local dealer, who diagnosed and determined that the fuel pump control module had failed and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in the 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 80,000.

4 Gasoline Fuel System problem

Failure Date: 07/15/2025

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 vehicle was taken back to the same local dealer, where it was diagnosed as needing a high fuel pressure pump reset. The vehicle was repaired; however, the failure persisted. The vehicle was taken to the same local dealer, where it remained for further investigation. In addition, the contact related the failure to NHTSA campaign number: 21v739000 (fuel system, gasoline); however, the VIN was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 56,751.

5 Gasoline Fuel System problem

Failure Date: 08/17/2024

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.

6 Gasoline Fuel System problem

Failure Date: 08/06/2024

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 vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 33,929.

7 Gasoline Fuel System problem

Failure Date: 01/03/2024

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.

8 Gasoline Fuel System problem

Failure Date: 08/24/2023

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.

9 Gasoline Fuel System problem

Failure Date: 03/01/2023

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.


Other Gasoline Fuel System related problems of the 2021 GMC Yukon


Yukon Service Bulletins
Yukon Safety Recalls
Yukon Defect Investigations