Electrical System Problems of Lexus RX

Lexus RX owners have reported 114 electrical system related problems since 1996. Table 1 shows the 8 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (99 problems). The second most common problem is related to the vehicle's instrument panel speedometer/odometer (8 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of Lexus RX

The Electrical System problem

2026 Lexus Rx 350h luxury awd hybrid. Component affected: electrical system:12v battery, digital/electronic locks I am experiencing a severe and persistent 12v parasitic battery drain on my 2026 Lexus Rx 350h.   Read details...

The Instrument Panel Speedometer/odometer problem

Odometer fraud. The contact purchased a 2010 Lexus Rx 350. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 139,000. It was discovered that the mileage was 177,000 in 2022.   Read details...

The Battery Dead problem

Electrical system malfunction began (to my best calculation & recollection) in summer 2021 with the first of four battery malfunctions in one year. Each time, aaa discovered low battery response and recommended battery replacement.   Read details...

The Ignition Coils Failure problem

Rear caliper blew while driving - almost lost brakes on highway - vehicle was unsafe to drive. Ignition coils failed (twice) while driving - lost power - almost got hit by a truck steering fluid leak - dealer says to get entire steering replaced or may lose steering while driving!! all this   Read details...

The 12v/24v/48v Battery problem

The contact owns a 2026 Lexus Rx 450h+. The contact stated that while occupying the vehicle, the battery lost power, causing the power door locks to fail to disengage and leaving the contact trapped inside the vehicle.   Read details...




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