2021 Chevrolet Tahoe Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 422 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Chevrolet Tahoe overview page.
What owners report
“Vehicle is sputtering and jerking while driving When slowing to a stop vehicles engine will shut off. I do know that the 2021 Tahoe has…”NHTSA complaint 11551919 — filed 10/25/2023
“On three (3) different occasions, I put the SUV in Park and the car engaged, and the "P" lit up as engaged. As I took…”NHTSA complaint 11515623 — filed 04/05/2023
“The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving approximately 65 MPH with the adaptive cruise control activated, the vehicle stalled…”NHTSA complaint 11483330 — filed 09/07/2022
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2021 Chevrolet Tahoe have transmission & power train problems?
Power Train is the #3 most-reported problem area on the 2021 Chevrolet Tahoe: 80 of 422 complaints on file (19%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Chevrolet Tahoe have in total?
422 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 9 involved a crash, 3 involved a fire, 9 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
