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Forward collision avoidancePart report

2021 Chevrolet Suburban Forward collision avoidance Problems

Complaints
11about this part
Share
5%of 204 total for the year
Median mileage
14,180miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 11 complaints about the forward collision avoidance of the 2021 Chevrolet Suburban, 5% of the 204 complaints for this model year. Where a mileage was given, the median is 14,180 miles. 2 of these say a crash was involved, according to the filers.

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.

“The check engine and traction control light came on in my car. This was accompanied by a clanking sound, shaking. The panel said “ SERVICE ESC” “ service traction control” and “ forward collision system unavailable” The Chevrolet light logo on the back of my car will also not turn off occasionally whenever the car is turned off.”

NHTSA complaint #11719559, filed 2026-02

“We were traveling approximately 30 mph approaching an intersection of a 5 lane road. A vehicle in front t of us had pulled into the turn lane. As we approached the vehicle that was already completely in the other lane, our car suddenly braked to a complete stop even though my foot was only on the accelerator as it is a 40 mph speed zone.”

NHTSA complaint #11477888, filed 2022-08

“While driving, I received a notice identifying a problem with the ESC system and that there was a brake system failure. I have received an advanced diagnostics alert about the antilock braking system. the vehicle was difficult to stop and required excessive pressure on the brake pedal.”

NHTSA complaint #11463392, filed 2022-05

“I was driving on the freeway about 65 mph on Saturday June 18. In a sudden instant, there was a message on my dash brake module failure and speed limited to 62 mph . Also warning message that forward collision warning was off , etc. The ABS light, the check brakes light , and the check engine light all were on. Also, the power brakes went completely out and to stop I had to press really hard with manual brakes. …”

NHTSA complaint #11470210, filed 2022-06

“In traffic, approx. 10-15 MPH car in front stopped short. I put foot on the brake pedal and pushed the brakes pedal to the floor. The car did apply the brakes equally as hard as I was Appling brakes at the pedal”

NHTSA complaint #11484256, filed 2022-09

Related service bulletins

Forward collision avoidance: other model years

YearComplaintsShare of year
202437%
202354%
202232%
2021115%
202012%
201923%
201721%
201642%
201531%
201111%
201011%
200710%
200310%

Other parts of the 2021 Chevrolet Suburban

Engine
90 complaints
Transmission and drivetrain
39 complaints
Fuel system
32 complaints
Electrical system
20 complaints
Other or unknown
14 complaints
Engine cooling
11 complaints
Brakes
9 complaints
Exterior lighting
7 complaints
Seat belts
7 complaints
Air bags
6 complaints
Wheels
4 complaints
Lane departure
3 complaints

← All problems reported for the 2021 Chevrolet Suburban

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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