What does P2243 HYUNDAI O2s Reference Circuit Open - (B1/S1) mean, and what is the fix?

Question

What does P2243 HYUNDAI - L.O2s Reference Circuit (+) Open - (B1/S1) mean, and what is the fix?

Answer 1

HI there

This code means the sensor reference voltage is open. Most of the time the repair is the O2 sensor itself. This is the front O2 sensor on bank 1 of the engine. 

P2243 HYUNDAI - O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1

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