There are 2 stored owner reports matching the powertrain & transmission leading-label group for the 2018 Toyota Tundra in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)I was inspecting the vehicle for an extended warranty company the issue was the transmission. I was in the process of inspecting the vehicle when I was installing the Blue Diver to retrieve the stored codes in the system when I leaned in to turned the accessory key the vehicle started in gear and drove froward. Causing the left front door to close on me from the lift.
emissions control pump and valves.it is available for inspection. Truck would only reach 60 mph. pressing the accelerator further causes the truck to slow down. yes dealer diagnosed parts that need replacing. Not inspected by manufacturer or others. see dealer for service light would shine at engine startup for two weeks prior to this problem. I don't know if this pertained to this problem.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.