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Lane departurePart report

2021 Chevrolet Tahoe Lane departure Problems

Complaints
4about this part
Share
1%of 464 total for the year
Median mileage
78,026miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the lane departure of the 2021 Chevrolet Tahoe, 1% of the 464 complaints for this model year. Where a mileage was given, the median is 78,026 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Vehicle brake module system failed after being replaced one week ago. All of my systems system lights are coming on on my dashboard. I cannot drive past 62 mph. This is the second time that this has happened under a month after vehicle being serviced at a GM dealership.”

NHTSA complaint #11628045, filed 2024-11

“While traveling on the highway one day, my 2021 Chevrolet Tahoe began warning lights on the dashboard. Shortly after, it running roughly,, and jerking, so I pulled over to investigate. There no visible smoke, so I drove to the nearest auto parts store, where they ran a diagnostic test that returned a code of P0306. I then took vehicle back to the dealership where have always received oil changes and repairs. I have never visited any other dealership, relying on certified GM/Chevrolet dealerships. …”

NHTSA complaint #11659186, filed 2025-05

“Vehicle taken into dealership for maintenance, after car received cars system software malfunctioned. Display screen went black and states return to dealer. failed update due to this issue I don't have access to car settings with most features are unavailable. All warning chimes such as turn signals, park sensor warnings, lane departure warning are inoperable. Had drove miles with turn signal on causing traffic disruption on neighboring lanes.”

NHTSA complaint #11717162, filed 2026-02

“The contact owns a 2021 Chevrolet Tahoe. The contact stated while driving at an undisclosed speed, the contact stated that several warning lights illuminated. The vehicle was towed to the dealer where it was diagnosed with a failed engine, lane departure modular and the brake master cylinder. The contact was informed that the engine, lane departure modular and the brake master cylinder needed to be replaced. The vehicle was not repaired. The contact was informed that the lane departure module was in back order. The manufacturer was made aware of the failure and a case was filed. …”

NHTSA complaint #11737018, filed 2026-05, 78,026 miles

Lane departure: other model years

YearComplaintsShare of year
202524%
202411%
202310%
202141%
201911%
201811%
201631%
201510%
201422%
201310%
200910%

Other parts of the 2021 Chevrolet Tahoe

Engine
170 complaints
Fuel system
122 complaints
Transmission and drivetrain
90 complaints
Electrical system
58 complaints
Other or unknown
41 complaints
Air bags
27 complaints
Brakes
22 complaints
Forward collision avoidance
21 complaints
Engine cooling
17 complaints
Exterior lighting
16 complaints
Steering
15 complaints
Seat belts
13 complaints

← All problems reported for the 2021 Chevrolet Tahoe

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology