Lexus Rx450h P3900 Engine Trouble Code

Lexus Rx450h P3900 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Lexus Rx450h P3900 Code Meaning :

When you check Lexus Rx450h car engine light came on code P3900 the reason should be . However Lexus manufacturer may have a different definition for the P3900 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3900 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3900 engine trouble code is about Reverse Input Circuit.

Reason For P3900 Code

The reason of P3900 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P3900 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

P389F Previous Engine Trouble Code For Lexus Rx450h

Next Engine Trouble Code For Lexus Rx450h P3901