P1618 Fault Code
You can find information about the P1618 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 P1618
"Glow Plug/Heater"

Hyundai P1618
"Engine torque control – limit reached/exceeded"

Volkswagen P1618
"Glow Plug Relay Short To Positive"
Looking To Fix This Yourself?
By using a workshop/repair manual you could diagnose and even fix this issue yourself.
You can find a collection of free manuals containing loads of information specific to your car on our partner site.
View Workshop/Repair/Service Manuals »

Popular Fault Codes
These are the most popular fault codes that people are searching for.