Hyundai Tucson U3821 Engine Trouble Code

When your car's 'Hyundai Tucson U3821 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.

Hyundai Tucson U3821 Code Meaning :

When you check Hyundai Tucson car engine light came on code U3821 the reason should be . However Hyundai manufacturer may have a different definition for the U3821 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3821 OBD-II Diagnostic Network (U) Trouble Code Description

U3821 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U3821 Code

The reason of U3821 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U3821 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.

U3820 Previous Engine Trouble Code For Hyundai Tucson

Next Engine Trouble Code For Hyundai Tucson U3822