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Automatic temperature control

Tiny
SPYDERMAN65
  • MEMBER
  • 1999 CHRYSLER CONCORDE
  • 3.2L
  • 2WD
  • AUTOMATIC
  • 236,000 MILES
Installed a new ATC module. It works on startup for about ten minutes and then display goes out but heat still works, just cannot control or adjust it.
Tuesday, January 30th, 2018 AT 10:54 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,924 POSTS
Hello,

That unit needs to be programmed into the system or you have a defective unit. Does the old one work or work as it did?

Let us know.

Cheers, Ken
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Wednesday, January 31st, 2018 AT 2:30 PM
Tiny
SPYDERMAN65
  • MEMBER
  • 3 POSTS
The old one had no display, but the heat still worked I just could not control it.
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Wednesday, January 31st, 2018 AT 2:45 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Did you verify connection at the back of the A/C unit? Check the connectors for any damage or loose pins. Bad connections are common for this issue.

Roy
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Wednesday, January 31st, 2018 AT 11:03 PM

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