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My Pacifica has ATC but only air blows from main.

Tiny
ANONYMOUS
  • MEMBER
  • 2004 CHRYSLER PACIFICA
  • 93,500 MILES
My pacifica has ATC but only air blows from main vents. Will not blow out defrost ducts or floor ducts. Is this a defective ATC or something else. Please provide answers and diagnositc instructions. I appreciate it greatly. Steeve
Sunday, February 3rd, 2013 AT 10:34 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The mode door motor may not be working. If it is not, replace it. Otherwise the control unit may be the fault.

The diag is done with a scan tool. You can command these operations from the scanner

Roy
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Sunday, February 3rd, 2013 AT 10:45 PM

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