2019 Toyota Tundra electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 2019 Toyota Tundra — 18% of all complaints for this model year.
What owners report
“The contact owns a 2019 Toyota Tundra. The contact stated that while parked for 5-10 minutes, the contact noticed a burning plastic odor, and upon looking up moments later, the contact noticed flames coming from the driver's side headlight, and the flames were 6 inches above the headlight. The…”
filed Apr 14, 2026
“Intermittent message displaying "Trailer Brakes Disconnected" while towing. Trailer lights continued to operate even while message was displayed. On average trailer connected and disconnected every 2-3 minutes”
filed Aug 18, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Air bag electronic control unit (ECU) may erroneously detect a fault during the vehicle…Campaign 18V685000 · Oct 4, 2018
Related service bulletins
Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.
T-TT-0790-25 · Service Bulletin/Repair Instructions · issued Aug 20, 2025The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and…
T-SB-0058-23 Rev1 · Service Campaign · issued Jun 13, 2025
Electrical System problems in other Tundra years
| Year | Reports | Share |
|---|---|---|
| 2026 Tundra | 1 | 5% |
| 2025 Tundra | 10 | 8% |
| 2024 Tundra | 33 | 11% |
| 2023 Tundra | 39 | 10% |
| 2022 Tundra | 27 | 6% |
| 2021 Tundra | 4 | 17% |
| 2020 Tundra | 3 | 7% |
| 2018 Tundra | 26 | 26% |
| 2017 Tundra | 27 | 35% |
| 2016 Tundra | 26 | 22% |
| 2015 Tundra | 7 | 15% |
| 2014 Tundra | 18 | 20% |
Other reported problem areas on the 2019 Toyota Tundra
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.