Lexus RX350 Problems
RepairPal has identified the most common problems with the Lexus RX350 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
Our technicians tell us that some navigation system problems may be corrected by installing an updated navigation map disc.
Various user interface issues regarding GPS, radio system, and heater controls, along with bluetooth operation have been addressed with a software upgrade. Our technicians recommend that if you have issues with these systems, checking for the latest software should be the first step in diagnoses.
The air conditioning light may flash or an AC error message may be displayed. Our technicians tell us this is commonly due to a fault with the AC amplifier, as revised part is available to correct this concern.
An VVT-i oil line on the Lexus RX350 is known to burst. This is a very large leak which covers the ground, engine, and undercarriage.
If the oil line ruptures while driving, the low engine oil message and engine oil pressure warnings will illuminate. Continued use after these warnings will result in complete engine failure due to oil starvation.
The line is known to be defective, and a revised part has been issued by Toyota, however, this revised part is known for the same issue.
To repair the issue, the line must be replaced, and the engine bay and undercarriage must be cleaned thoroughly.
The supplemental restraints system (SRS) warning light may illuminate with code B0111 and/or B0116. Our technicians tell us Lexus has several service bulletins regarding the SRS system. It is not uncommon to replace one or more airbags to correct these fault codes.
The remote engine start function will not operate in extremely cold temperatures (-22 degrees F and lower). Our technicians tell us no repair should be attempted, this is normal operation for the remote engine start system in this vehicle.