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Chevrolet Blazer Problems

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator on Chevrolet Blazer

Problem Description and Possible Solution

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.

(3 people reported this problem)

Chevrolet Blazer Vehicles With This Problem

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Average mileage: (–)
3 model years affected: 1992, 1993, 1994
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