2017 Toyota Highlander Electrical System problems, defects and reviews. Updated December 18, 2018.

Toyota Highlander Electrical System problems and reviews: 2.

Are you driving a 2017 Toyota HIGHLANDER, or planning to buy one? Review reported Electrical System problems and defects.

Electrical System Toyota 2017
Toyota
Location
Wesley Chapel, FL
Model Highlander
System Electrical System
Speed 72

Driving Approximately 72 Mph When Vehicle Died Causing A Potentially Very Hazardous Situation – Check Engine Light Came On, Master Warning Light Came On, See Dealer For Repair Message Displayed. Was Able To Limp To Side Of Road And Had Vehicle Towed To Dealership. After 2 Days Of Diagnostic Testing The Engine Control Module (ecm) Was Replaced Under Warranty (less Than 12,000 Miles On Vehicle). The Vehicle Is Running, However, Now Notice A Decrease In Gas Mileage And Difference In Transmission Shifting Since Replacement.

Mileage was 11980 miles. Vehicle Identification Number (VIN):5TDYZRFH0HS. TOYOTA HIGHLANDER 2017 problem was reported in WESLEY CHAPEL, FL. Vehicle was not using ANTI-LOCK BRAKES. Vehicle was not using Cruise Control. VEHICLE SPEED: 72 mph.

Nov 26, 2017

Electrical System Toyota 2017
Toyota
Location
Rockingham, VA
Model Highlander
System Electrical System
Speed 75

While Driving On Interstate On Cruise Control At 75 Mph, Without Warning, Alerts Went Off And Vehicle Slowed To About 40 Mph And Would Not Let Me Go Any Faster. The Awd Failure Alert Sign Came On As Did System Engine Failure Alert Came On. I Was Able Drive At That Slow Speed For Approximately 4 Miles On Interstate Ramp With Flashers On. My Son Advised Me To Turn Engine Off For One Minute And Restart, Which It Did Without Alerts. Then Able To Drive The 2o Miles Home. Next Day Took It Dealership Where It

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