Toyota Highlander: Powertrain

Affects Toyota Highlander · 2020 — about 4K vehicles.

The hazard

Issue: On certain vehicles, the engine stop-start system may not work properly and could cause the engine to stall while driving. If this happens, a warning chime will sound and multiple warning lights would turn on to let the driver know that the engine has stopped. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Toyota will notify owners by mail and instruct you to take your vehicle to a dealer to update the engine control unit (ECU) software.

What to do

Contact your dealer; the remedy details were not included in the filing.

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