Subaru Impreza U21AU Engine Trouble Code

When your car's 'Subaru Impreza U21AU 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.

Subaru Impreza U21AU Code Meaning :

When you check Subaru Impreza car engine light came on code U21AU the reason should be . However manufacturer may have a different definition for the U21AU OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U21AU OBD-II Diagnostic Network (U) Trouble Code Description

U21AU engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U21AU Code

The reason of U21AU OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U21AU 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.

U2199 Previous Engine Trouble Code For Subaru Impreza

Next Engine Trouble Code For Subaru Impreza U21U0