AC Blower Inop Due to Failed Resistor on GMC Sonoma

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

The HVAC blowermotor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

19 people reported this problem
7 comments
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GMC Sonoma vehicles with this problem

6 model years affected
Average mileage: 136,681 miles
(81,000 - 250,000)

Repairs related to this problem

Blower Motor Resistor Replacement

The average cost for a GMC Sonoma Blower Motor Resistor Replacement repair is between $90 and $133.

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