Q: how a code p2181 but the temp is normal

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i have a 2010 vw cc turbo with a code p2181 and the temp is normal

My car has 120000 miles.
My car has an automatic transmission.

Hi there. The code, P2181, stands for Cooling System Performance. This code is meant to give a certified mechanic a starting point to begin their investigation for car problems. In most cases, the code is triggered due to either overheating or when it is not achieving proper operating temperature; which can be caused by a failing thermostat and/or a failing water pump. If you’re not having overheating issues, it’s possible that the thermostat is faulty or a temperature sensor is damaged. It’s best to have a professional mechanic complete a check engine light inspection to investigate whether or not this is a major problem or a damaged sensor that can be easily replaced.

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