Problem overview
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
126 people reported this problem
56 commentsCadillac Seville vehicles with this problem
14 model years affected
Average mileage: 123,765 miles
(46,000 - 257,000)
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