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'19 Tundra LT ACE - cooling fan came on 36 hours after last use

1K views 1 reply 2 participants last post by  mxz1998 
#1 ·
I had my 2019 Tundra LT (600 ACE) parked in my unheated garage, at 30-40 F. I had left the key in place, kill switch off. Have done this many times without issue. When I came back in from plowing this evening the cooling fan for the air radiator was running full blast, sounding like a vacuum cleaner. I could not get it to switch off by removing the key or starting the engine and then turning it back off. I unplugged the harness connection so it wouldn't run all night.

Sled has ~850 miles, I'm the first owner, no prior mechanical or electrical issues. I used the sled 4 days in a row but it had been off for about 36 hours when the fan switched on. The fan was NOT running any time earlier in the day.

Has anyone ever had this happen? What might have caused it?
 
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