2021 CHEVROLET SUBURBAN Electrical System12v24v48v Battery Problems
1 NHTSA complaint on file
Electrical System12v24v48v Battery Issues in the 2021 CHEVROLET SUBURBAN
1 electrical system12v24v48v battery complaint has been filed with NHTSA for the 2021 CHEVROLET SUBURBAN. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Electrical System12v24v48v Battery Complaints
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 failure. The contact was informed that the transmission valve body needed to be replaced. The vehicle was repaired. The contact stated that the vehicle was at the dealer from December 2024 until June 2025. The vehicle was picked up from the dealer. The contact stated that while driving at an undisclosed speed, the engine seized and failed to restart. The vehicle was towed back to the dealer, where the contact was informed that the fuel...
Other 2021 CHEVROLET SUBURBAN Problem Areas
Engine
67 complaints
Power Train
23 complaints
Fuelpropulsion System
19 complaints
Electrical System
14 complaints
Unknown Or Other
12 complaints
Forward Collision Avoidance Warnings
8 complaints
Service Brakes
8 complaints
Seat Belts
7 complaints
Air Bags
6 complaints
Engine And Engine Cooling
5 complaints
Fuel System Gasoline
5 complaints
Exterior Lighting
4 complaints
Wheels
4 complaints
Seats
3 complaints
Forward Collision Avoidance Adaptive Cruise Control
2 complaints
Forward Collision Avoidance Automatic Emergency Braking
2 complaints
Fuel System Gasolinedeliveryfuel Pumpcontroldrive Module
2 complaints
Lane Departure Warning
2 complaints
Structurebody
2 complaints
Suspension
2 complaints
Vehicle Speed Control
2 complaints
Visibilitywiper
2 complaints
Back Over Prevention
1 complaint
Chest Clip Buckle Harness
1 complaint
Exterior Lightingheadlights
1 complaint
Forward Collision Avoidance
1 complaint
Lane Departure Assist
1 complaint
Service Brakes Hydraulic
1 complaint
Steering
1 complaint