Toyota Iq B3900 Engine Trouble Code

When your car's 'Toyota Iq B3900 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

Toyota Iq B3900 Code Meaning :

When you check Toyota Iq car engine light came on code B3900 the reason should be . However manufacturer may have a different definition for the B3900 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B3900 OBD-II Diagnostic Body (B) Trouble Code Description

B3900 engine trouble code is about Reverse Input Circuit.

Reason For B3900 Code

The reason of B3900 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B3900 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.

B3899 Previous Engine Trouble Code For Toyota Iq

Next Engine Trouble Code For Toyota Iq B3901