Toyota Tundra: Electrical system — wiring

Affects Toyota Tundra · 2018–2021 — about 158K vehicles.

The hazard

An overheated electrical connector can increase the risk of a fire.

What to do

Dealers will modify the engine wire harness assembly and replace any damaged bulb, bulb connector, and/or headlight assembly as necessary, free of charge. Owner notification letters were mailed April 25, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's numbers for this recall are 21TB06 and 21TA06.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational