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Chevrolet Silverado 1500 HD Problems

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator on Chevrolet Silverado 1500 HD

Problem Description and Possible Solution

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

(5 people reported this problem)

Chevrolet Silverado 1500 HD Vehicles With This Problem

RepairPal Verified
Average mileage: 20,000 (20,000–20,000)
4 model years affected: 2001, 2002, 2003, 2004
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