This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
full bulletin at NHTSA ↗2020 Chevrolet Tahoe engine problems
moderate Owners of the 2020 Chevrolet Tahoe have filed 8 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Complaints
8
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2016 Tahoe | 12 |
| 2017 Tahoe | 10 |
| 2018 Tahoe | 14 |
| 2019 Tahoe | 15 |
| 2020 Tahoe (this page) | 8 |
| 2021 Tahoe | 112 |
| 2022 Tahoe | 56 |
| 2023 Tahoe | 92 |
| 2024 Tahoe | 24 |
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine 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.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
full bulletin at NHTSA ↗This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
I was driving in traffic with 8 kids from my football team on a busy street and my truck start jerking and wouldn’t accelerate much. I was going 35 mph and the truck just slows down in the middle of driving. Then as I pulled over thick white smoke comes from the tail pipe. Thank god it was a Sunday and the busy street wasn’t as busy and I was able to pull over safely because this happen while I…
Strong smell to fumes when turning on ac or vent system.
Had engine trouble with your 2020 Chevrolet Tahoe?
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 engine problem on the 2020 Chevrolet Tahoe?
It's a documented issue but not catastrophic. 8 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine 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 engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
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/2020/Chevrolet/Tahoe.
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.