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2021 Chevrolet Suburban lighting problems
moderate
Owners of the 2021 Chevrolet Suburban have filed 7 NHTSA complaints about the lighting at roughly $250 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation.See lighting across all vehicles →
Complaints
7
Recalls
1
Avg fix
$250
When does it fail?
Of the 7 lighting complaints filed for the 2021 Chevrolet Suburban,
here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
0 (0%)
25-50k
0 (0%)
50-75k
1 (100%)
75-100k
0 (0%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
0 (0%)
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted.
Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits
and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA lighting complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
General Motors, LLC (GM) is recalling certain 2021 Yukon, Yukon XL, Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade, and Cadillac Escalade ESV vehicles
Daytime Running Lights that do not deactivate as intended may cause a glare, reducing visibility and increasing the risk of a crash.
Fix: Dealers will provide an over-the-air (OTA) update for the Body Control Module software, free of charge. Owner notification letters were mailed December 15, 2022. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222382220.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service Bulletin21-NA-166Apr 2025
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting
2 most recent
lighting · 62,000 mi
· filed 12/17/2021
The contact owns a 2021 Chevrolet Suburban. The contact stated while driving 45 MPH, the driver’s side low-beam headlight was pointing inward, affecting his visibility of the roadway. The contact stated that the failure later occurred with the passenger’s side low-beam headlight. There were no warning lights illuminated. The vehicle was taken to the dealer who diagnosed that the headlights needed…
lighting
· filed 11/12/2024
The headlamps are defective and unexpectedly break causing them to aim basically straight down towards the pavement making it unsafe to drive at night. In February of this year I took the vehicle to Cox Chevrolet in Bradenton and they said the headlamps would need to be replaced and it would cost several thousand dollars. I rarely need to drive at night and have been taking our son's car since…
Had lighting trouble with your 2021 Chevrolet Suburban?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the lighting problem on the 2021 Chevrolet Suburban?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Based on the 7 complaints filed, lighting issues most often appear around 62,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $250 for lighting repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to lighting?
Yes — 1 active recall(s) cover lighting issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Chevrolet/Suburban.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.