Technical Definition:

Oxygen (O2) Sensor Reference Voltage Circuit / Open (Bank 1 – Sensor 1)

Trouble Code: P2243
Address: 0x2243
System: Powertrain
Subsystem: Fuel and Air Metering
Technical Description:

Possible Causes:

Possible Symptoms:

O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

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