AutoUtility currently tracks 102 official NHTSA owner defect complaints for the 2018 Chevrolet Tahoe. Engine & Cooling issues are the most frequently reported category, appearing in 20 complaints (19.6% of submitted records). Among these NHTSA complaint records, 6 filings cite a crash, 3 report one or more injuries, 1 reports one or more fatalities.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
20 owner complaints submitted to NHTSA ODI for this subsystem.
19 owner complaints submitted to NHTSA ODI for this subsystem.
19 owner complaints submitted to NHTSA ODI for this subsystem.
13 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
4 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Vehicle was driven the day before the incident occurred. The morning of the incident, the vehicle was parked, off and not running. A notification sent to my phone indicating a critical battery low 11.1V reading. Vehicle would not start. Vehicles battery and alternator charging system was tested and..."
"LT275 65 R18 123/120 R DOT 1 BE BP AT 21 My daughter has pictures of the tires, all four tires (all bought at the same time) 05/6/23 from Discount Tire, are splitting along the side wall, originating at the tread line, we have talked with Discount tire, there are 40,000 miles approximately on the..."
"Out of nowhere without any warning light all of a sudden couldn’t back up when geared into reverse to reverse. Turned the vehicle off and back on, then was able to reverse. Left parking lot and was on the road and vehicle started loosing speed, then put into park with hazard lights. When attempting..."
"EVERYTIME IT RAINS REALLY HARD, MY DRIVERS SIDE B PILLAR WHERE THE HANDLE AND SEAT BELT IS, IS SOAK AND WET FROM A LEAK. THIS HAPPENS ALL THE TIME. I HAVE HAD MY SUNROOF CHECKED, MY WINDSHIELD CHECKED AND DRAIN TUBES CHECKED. THERE IS NEVER ANY WATER OR WETNESS ON THE FLOOR, ITS ONLY THE HEADLINER...."
"WHEN IT RAINS REALLY HARD, THE ROOF IN THE B PILLAR LEAKS ABOVE THE SEAT BELT AREA INTO THE HEADLINER. MY HUSBAND WHO IS AN AUTOBODY TECHNICIAN HAS MADE SURE MY SUNROOF LINES ARE CLEAR AND THE WINDSHIELD MOLDINGS AND SEALS ARE GOOD. HE HAD ANOTHER ONE AT HIS PLACE OF EMPLOYMENT WITH THE SAME ISSUE..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Chevrolet Tahoe | 661 | 30 | 14 | View 2015 Problems → |
| 2016 Chevrolet Tahoe | 256 | 17 | 8 | View 2016 Problems → |
| 2017 Chevrolet Tahoe | 173 | 3 | 4 | View 2017 Problems → |
| 2018 Chevrolet Tahoe Current Page | 102 | 6 | 3 | Current |
| 2019 Chevrolet Tahoe | 103 | 8 | 2 | View 2019 Problems → |
| 2020 Chevrolet Tahoe | 55 | 4 | 3 | View 2020 Problems → |
| 2021 Chevrolet Tahoe | 435 | 9 | 16 | View 2021 Problems → |
| 2022 Chevrolet Tahoe | 179 | 3 | 4 | View 2022 Problems → |
| 2023 Chevrolet Tahoe | 207 | 3 | 5 | View 2023 Problems → |
| 2024 Chevrolet Tahoe | 60 | 1 | 3 | View 2024 Problems → |
| 2025 Chevrolet Tahoe | 43 | 1 | 1 | View 2025 Problems → |
| 2026 Chevrolet Tahoe | 0 | 0 | 3 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 39 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 14 | 1 | 0 | 1 | 0 |
| Engine NHTSA category: ENGINE | 10 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 8 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 8 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 7 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 7 | 1 | 0 | 0 | 1 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 3 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 3 | 0 | 0 | 0 | 0 |
| POWER TRAIN,FUEL/PROPULSION SYSTEM | 3 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES, HYDRAULIC | 3 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 2 | 0 | 3 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 2 | 1 | 0 | 1 | 0 |
| STRUCTURE,UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| CHEST CLIP, BUCKLE, HARNESS | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ENGINE,ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,UNKNOWN OR OTHER | 1 | 1 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,LANE DEPARTURE,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| VISIBILITY,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2018 Chevrolet Tahoe
In official NHTSA consumer records, the most frequently cited issue area for the 2018 Chevrolet Tahoe is Engine & Cooling, appearing in 20 records (19.6% of submitted filings).
Secondary reported categories include Powertrain & Transmission (19) and Brakes & Traction Control (19).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 102 consumer defect complaints and 3 safety recall campaigns for the 2018 Chevrolet Tahoe.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2018 Chevrolet Tahoe, 6 filings cite a crash, 0 cite smoke or fire, and 3 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.