Join Date: Dec 2009
Location: Saskatoon, Saskatchewan
Dtc p2181 code
Hey this is my first time posting, I've been reading for a few months but i wanted to give people a hand before they rush to a shop.
I had DTC P2181 (Coolant performance) trip on my vehicle. Apparently this code can/will be present in "extreme ambient temperatures", IE really, really cold. It happened after it dropped to -35, -40 with windchill. So if you get the code after a drop in temperature, its probably just the fussy sensor, just wait till it gets warmer it will go away. You can also put some cardboard in front of the radiator if it is a constant issue.
Chrysler does know about this as i found this information inside their shop manual.
I hope this helps people who live in the cold