Power train: transfer case (4-wheel drive)
Do not driveNewRisk. Front or rear wheel lockup increases the risk of a crash.
NHTSA has logged 84 owner complaints about the 2018 Chevrolet Suburban, most often about the power train. It is covered by 4 safety recalls, and for recall 19V-645 the manufacturer reports only 75% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 14, 2026. Updated daily.
84 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 19 | 1 |
| Engine | 19 | 0 |
| Electrical system | 17 | 0 |
| Service brakes | 13 | 0 |
| Steering | 8 | 0 |
| Seat belts | 5 | 0 |
| Wheels | 4 | 0 |
| Fuel/propulsion system | 4 | 0 |
| Air bags | 4 | 2 |
| 9 other systems | 14 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. Front or rear wheel lockup increases the risk of a crash.
Risk. Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the…
Risk. As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the…
Risk. If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Chevrolet.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Suburban median. How we score
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
My 2018 Chevrolet Suburban is experiencing transmission problems that raise serious concerns about the reliability and potential safety of General Motors transmissions used in trucks and SUVs from this period. When I contacted an independent transmission repair shop to describe the problems, the…
My suburban shut off 5 times while turning. Very unsafe given I have 4 children and it could have been while we were driving on the freeway, which could have been fatal.
The contact owns a 2018 Chevrolet Suburban. The contact stated while the contact's husband was driving at an undisclosed speed, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. In addition, the contact's husband noticed an abnormal sound and the vehicle…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.