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Cooling fans and A/C fans not turning off

Tiny
LARRY1521
  • MEMBER
  • 2014 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 2WD
  • 113,453 MILES
Cooling fans and A/C keep running with the key off.
Monday, January 28th, 2019 AT 3:22 PM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

Does the compressor clutch stay engaged as well or just the blower motor and the cooling fan?

The PCM is what controls the cooling fans. Good chance it may need the PCM replaced.

Are there any codes?

Roy
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Monday, January 28th, 2019 AT 4:36 PM
Tiny
LARRY1521
  • MEMBER
  • 4 POSTS
No code just cooling fans I unplugged the battery for about 20-30 minute now the fans off but the temperature gauge read a little before normal is that ok
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Monday, January 28th, 2019 AT 4:55 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The gauge should not read anything with the key off.

Roy
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Monday, January 28th, 2019 AT 5:05 PM
Tiny
LARRY1521
  • MEMBER
  • 4 POSTS
No it reads zero with the key off, but I’m saying when the truck is running it used to read to 210 and now it reads 200. Is that fine?
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Monday, January 28th, 2019 AT 6:07 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Yes, that is good.

Roy
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Tuesday, January 29th, 2019 AT 2:15 AM
Tiny
LARRY1521
  • MEMBER
  • 4 POSTS
Thank you.
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Tuesday, January 29th, 2019 AT 12:11 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Always glad to help.

Roy
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Tuesday, January 29th, 2019 AT 2:15 PM

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