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Why does the Highlander AWD change to 2AWD and fail to start?

1 Answers

CollinMarie

07/30/25 3:43am

If the four-wheel drive system malfunctions, it could be due to damage to the multi-plate clutch or its control system. A computer diagnostic scan is required to check for fault codes. If fault codes appear in the engine system, ABS system, etc., the instrument display will show AWD changing to 2WD. Only a computer diagnostic scan can accurately identify the issue. Here are more details about the Highlander: 1. Exterior: The Highlander features triangular headlights, a hexagonal front grille with angular design, an integrated Toyota emblem, thick chrome accents, fog lights embedded with chrome trim, and a slightly forward-leaning front fascia, giving the front end a stylish and three-dimensional appearance. 2. Powertrain: The Highlander offers two powertrain options—a 3.5L V6 engine paired with a 5-speed automatic transmission and a 2.7L L4 engine paired with a 6-speed automatic transmission. Both engines are equipped with Toyota's exclusive Dual VVT-i technology, ACIS variable intake system, roller rocker arm structure, and other advanced technologies.

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