YearToAvoid

2018 Chevrolet Tahoe Transmission & Powertrain Problems

NHTSA lists 20 Transmission & Powertrain complaints for the 2018 Chevrolet Tahoe, 19% of its 104 total complaints, with a median failure mileage of 54,000 miles. No related recalls are listed for this area.

Transmission & Powertrain complaints
20
19% of 104
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
54,000 mi
Related recalls
0

Typical transmission symptoms owners report

  • Owners describe sudden loss of acceleration or power while driving, sometimes on highways, leading to stalling.
  • Several report the transmission slipping, hesitating, or refusing to engage when trying to accelerate from a stop.
  • Some describe excessive shaking or vibration paired with an illuminated check engine light, later diagnosed by a dealer as a transmission failure.
  • One owner reported the vehicle rolling backward down an incline in reverse gear despite the brake pedal being depressed.
  • Owners mention jerking or bouncing RPM during gear shifts, both when accelerating and braking.
  • One report links symptoms to a torque converter failure affecting the transmission.

When 2018 Chevrolet Tahoe transmission complaints were filed

First complaint Nov 21, 2020, latest Aug 28, 2026.

2018 Chevrolet Tahoe transmission & powertrain complaints: complaints filed per month3Nov 2020Oct 2022Aug 2023Aug 2024Jan 2025Jul 2025Mar 2026Jul 2026
20 complaints filed with NHTSA from Nov 2020 to Aug 2026; peak Apr 2024 (3).

Transmission & Powertrain recalls for the 2018 Chevrolet Tahoe

No safety recalls on record for this model year.

Transmission & Powertrain complaints by Tahoe model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200524 (8%)
  2. 20068 (7%)
  3. 200750 (4%)
  4. 20089 (2%)
  5. 200912 (4%)
  6. 20106 (2%)
  7. 20115 (1%)
  8. 20127 (4%)
  9. 20139 (4%)
  10. 20145 (6%)
  11. 201555 (8%)
  12. 201647 (18%)
  13. 201753 (31%)
  14. 201820 (19%)
  15. 201938 (36%)
  16. 202014 (25%)
  17. 202188 (19%)
  18. 202238 (20%)
  19. 202343 (20%)
  20. 20247 (10%)
  21. 20255 (10%)

Frequently asked questions

How many transmission complaints does the 2018 Chevrolet Tahoe have?
NHTSA lists 20 Transmission & Powertrain complaints for the 2018 Tahoe, making up 19% of its 104 total complaints for the year.
Is there a transmission recall for the 2018 Chevrolet Tahoe?
According to the data provided, there are no related recalls listed for the Transmission & Powertrain area on the 2018 Chevrolet Tahoe.
At what mileage do transmission problems usually appear on the 2018 Tahoe?
The median mileage at failure reported to NHTSA for this problem area is 54,000 miles.
Did the 2018 Tahoe's transmission issues cause any crashes?
NHTSA data shows 1 crash and 0 fires or injuries tied to Transmission & Powertrain complaints for the 2018 Tahoe.
How does the 2018 Tahoe compare to other years for transmission complaints?
The 2018 Tahoe's share of transmission complaints is 19%, lower than 2019 (36%) and 2020 (25%), but higher than 2015 (8%) and 2016 (18%).

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.