4 complaints reported

2021 Chevrolet Suburban Fuel System

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
4
Crashes
0
Fires
0
Injuries
0

Complaint Timeline

Chronological view of owner reports

Jul 2025

The contact owns a 2021 Chevrolet Suburban. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where the map sensor was replaced; however, the failure persisted. Additionally, the vehicle failed to start. The vehicle was towed to another mechanic, where it was diagnosed and determined that the fuel pump sensor module had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that the VIN was not included in a recall. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was approximately 62,000.

Type: Vehicle, Vehicle: 2021 CHEVROLET SUBURBAN, Manufacturer: General Motors, LLC
Incident: Jun 2025
Feb 2025

The contact owns a 2021 Chevrolet Suburban. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer where it was diagnosed with fuel pump power control module failure. The contact was informed that the fuel pump power control module needed to be replaced. The vehicle was not repaired. The contact was informed that the parts to repair the vehicle had been ordered. The manufacturer was not made aware of the failure. The failure mileage was approximately 54,000.

Type: Vehicle, Vehicle: 2021 CHEVROLET SUBURBAN, Manufacturer: General Motors, LLC
Incident: Oct 2025
Jan 2024

The contact owns a 2021 Chevrolet Suburban. The contact stated while driving 5 MPH up the driveway, the vehicle lost motive power. The check engine warning light was illuminated. The contact was able to restart the vehicle; however, while the vehicle was idling, the engine shut off upon depressing the accelerator pedal. 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; however, the part was on a national backorder. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline). The manufacturer was notified of the failure and informed the contact that the vehicle could not be repaired under the recall because the VIN was not included. The failure mileage was approximately 46,000.

Type: Vehicle, Vehicle: 2021 CHEVROLET SUBURBAN, Manufacturer: General Motors, LLC
Incident: Jan 2024
Mar 2023

The contact owns a 2021 Chevrolet Suburban. The contact stated while driving 15 MPH, the vehicle lost motive power and stalled without warning. The contact was unable to restart the vehicle. The vehicle was towed to the dealer, and the dealer stated that the fuel control module needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and stated that the part to repair the vehicle was not available. The failure mileage was 30,000. The VIN was not available.

Type: Vehicle, Vehicle: 2021 CHEVROLET SUBURBAN, Manufacturer: General Motors, LLC
Incident: Feb 2023

Trend Over Time

Complaints by year

Quick Summary

The 2021 Chevrolet Suburban has 4 Fuel System complaints on file. Review the timeline above for detailed owner experiences.