P1452 Fault Code
You can find information about the P1452 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings

Audi P1452
"Sec.Air Inj.Sys."

BMW P1452
"Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal High"

Ford P1452
"Inability of Evaporative Emission Control System to Bleed Fuel Tank"

Volkswagen P1452
"Secondary Air Injection System Circuit Open"
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