You can find information about the P1405 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
"Heated Catalyst Power Switch Overtemperature Condition (Bank 2)"
"Differential Pressure Feedback Electronic Sensor circuit Upstream Hose"
"DPFE Sensor Upstream Hose Off Or Plugged"
"Turbo Pressure Sensor Circuit."
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