Passenger side heater only works on high

Blower motor only works on high speed Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To

My Corolla’s heater blower sports 3 speeds, works on the 2 highest speeds, but not the lowest. That speed failed after about 3 years. Pretty common problem on designs that use resistors to slow the fan speed. A 2017 Jeep may not use that technique though. A somewhat related aside, I was recent…

I have a 2015 Cherokee which has a dual zone climate control. If your does also there is a setting for the hivac which allows you to have different settings/temperatures, one for the driver (1 setting) and one for the front and rear passengers (2nd setting). For example, you can set the temperatur…

2017 Jeep Cherokee - passenger heater works on high

Maintenance/Repairs

jtsanders October 30, 2021, 1:01am 5

When I encountered this problem in the past on my cars, replacing the resistor pack fixed it. I agree with @vipergg. Replace it and see if it returns variable fan speeds.

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2017 Jeep Cherokee - passenger heater works on high

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