P1646 Fault Code
You can find information about the P1646 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
Jaguar P1646
"Heated oxygen sensor (H02S) 1 (upstream), bank 1 – control malfunction"
Audi P1646
"Please Check DTC"
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Commonly Affects
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