P1686 Fault Code
You can find information about the P1686 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

Acura P1686
"A/T FI Signal B Low Input"

Audi P1686
"Contr.Unit Error"

Jeep P1686
"No SKIM Bus Message Received"

Dodge P1686
"No SKIM Bus Message Received"

Chrysler P1686
"No SKIM Bus Message Received"

Honda P1686
"Automatic Transaxle FI Signal B Low Input"

Volkswagen P1686
"Control Unit Error, Programming Error"
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