2023 Toyota Tundra electrical system problems

40 owner complaints filed with NHTSA name the electrical system on the 2023 Toyota Tundra — 10% of all complaints for this model year.

Electrical System complaints

10%

share of all complaints

—

median reported incident mileage

1 / 2

crash / fire reports

What owners report

“The contact owns a 2023 Toyota Tundra. The contact stated that while starting the vehicle, the check engine, Auto Start/Stop, and another unknown warning light illuminated. The message "Grill Shutter Malfunction Low Voltage" was displayed. The vehicle was taken to the dealer, who determined that…”
filed Sep 1, 2026
“Multiple vehicle systems have malfunctioned, including the transmission, infotainment/display screen, and backup camera. Most recently, the backup camera has stopped functioning, preventing a rear view while reversing. The vehicle is available for inspection upon request, along with any service…”
filed Jul 17, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Technical instructions for special service campaign 26tc02 reprogramming for parking assist ecu certain 2022 - 2024 tundra / tundra hybrid
26TC02 · Service Bulletin/Repair Instructions · issued Jun 25, 2026
SPECIAL SERVICE CAMPAIGN 26TC02 Certain 2023-2024 Model Year Sequoia HV Certain 2022 – 2023 Model Year Tundra & Tundra HV Trailer Back Up Guide Feature Inoperative Frequently Asked Questions
26TC02 · Service Campaign · issued Mar 30, 2026
Technical instructions for special service campaign 26tc02 reprogramming for parking assist ecu certain 2022 - 2024 tundra / tundra hybrid
26TC02 · Service Bulletin/Repair Instructions · issued Mar 30, 2026
After calibrating a trailer and using the Trailer Backup Guide feature, subsequent use of this feature may result in a “Trailer not detected” message or a blank multimedia display that prevents the display of features…
26TC02 · Service Campaign · issued Mar 30, 2026