"Dealer message - American Honda has previously announced product update campaigns for certain 2016-18 Civic and
2017-18 CR-V vehicles with the 1.5L turbo engine for engine oil dilution.
Repair Update
The AC control unit replacement procedure has been changed to a software reflash procedure. On February 1, 2019, revisions to service bulletins 18-114, 2017-18 CR-V Software Update and A/C Control Unit Update and 18-137, Product Update 2016-18 Civic Software and AC Control Unit Update, will be posted to the Service Information System (SIS) to reflect this change."
