Electrical System Problems of Lexus RX350

Lexus RX350 owners have reported 71 electrical system related problems since 1996. Table 1 shows the 9 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (60 problems). The second most common problem is related to the vehicle's wiring (3 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of Lexus RX350

The Electrical System problem

This vehicle is brand new, and I constantly have issues with it not recognizing the key fob. It will lock automatically with the keys inside and not unlock, even with the other set of keys. I have been locked out multiple times with the keys in my hands.   Read details...

The Wiring problem

Rodent damage to the electrical wiring harness of my 2016 Lexus RX 350 caused by Lexus using a soy base covering on the wires that attract rodents. Lexus takes no responsibility for the repair that cost thousands of dollars. Not to mention a safety issue.   Read details...

The Ignition Coils Failure problem

Check engine light came on and vsc off came on while driving. Vehicles vibrate violent shortly after. Was diagnosed by Lexus technician that ignition coil #6 has failed.   Read details...

The Battery Dead problem

July 11th 2017 at around 220pm pst, the Lexus Rx350 2012, experience a very dangerous failure. Earlier that week I noticed issue with the battery, where it would take one or more pushes to the start button for the car to turn on.   Read details...

The Battery problem

2010 Lexus 450h won't start. We bought a new 2010 Lexus 450h about 3 weeks ago, it already happened twice, the car just won't start. But after push power on/off few times, the car starts. First time it happened on the morning of Nov 26, we are ready to go for a weekend trip at 8am, foot on the   Read details...




Safety Ratings of RX350 Cars
RX350 Service Bulletins
RX350 Safety Recalls
RX350 Defect Investigations