OK, first understand that the codes don't tell you to change anything. They merely record data and present it. The actual cause has to be determine by technician testing.
It sounds like you may not have gotten all the air pockets out of the system. Also make sure the fan is working. You also need to understand than the system is programmed to run hotter at idle. The fan isn't even programmed to come on until 225degrees or higher.
Thursday, January 31st, 2019 AT 6:44 PM