P1656 Fault Code
You can find information about the P1656 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 P1656
"ECM/TP sensor amplifier – circuit malfunction"

Acura P1656
"Automatic Transaxle"

Audi P1656
"A/C clutch relay"

Honda P1656
"Automatic Transaxle"

Lexus P1656
"OCV Circuit Malfunction (Bank 1)"

Toyota P1656
"OCV Circuit."
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