Faulty Vacuum Switching Valve (VSV)
Vacuum Switching Valve (VSV) harness is open or shorted
Vacuum Switching Valve (VSV) circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 2 is the generic description for the P1443 Toyota code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1443 Toyota OBDII code.