Thread: Spurious "Engine Hot, A/C Off" message
View Single Post
Old 02-21-2019, 05:45 PM   #2
Stealthee
Your worst nightmare
 
Stealthee's Avatar
 
Join Date: Oct 2004
Location: Smithfield, Pennsylvania
Posts: 6,060
Thanks: 40
Thanked 252 Times in 246 Posts
Re: Spurious "Engine Hot, A/C Off" message
Most likely the coolant temp sensor. When it fails the ECU thinks the engine is hot so it goes into a safe mode. Experienced this on a few GMs.
__________________
Stealthee is online now   Reply With Quote