Yes, that code does refer to the humidity sensor on the windshield. I believe the humidity sensor is shown in your first picture. However, what is shown in your pictures looks different than what's in our van and what is illustrated in All Data (pictures below). The components in your van appear to be oriented in the opposite manner (sensor to left of the mirror instead of the right). This is probably because your van is equipped with Advanced SafetyTec (ours isn't). All Data says the humidity sensor is located to the right of the rearview mirror (as it is in our van), but doesn't make any distinction between models with or without Advanced SafetyTec. I suspect this is simply an oversight.So my 2017 Touring L Plus with Advanced SafetyTec which has about 24,000 miles recently started blowing hot air occasionally. Took it to the dealership and they got an active code when they ran diagnostics - P1009 (humidity sensor). Turns out this will cost me about $480 to have the dealer replace the humidity sensor. They are apparently back ordered and it will take them about a month to get it.
Has anyone here successfully replaced it themselves? I couldn’t find a YouTube video specifically for the Pacifica showing the location and the replacement. I assume it is one of the sensors that is mounted on the front windshield. I found some videos for the 300 and for Dodge Charger that appear to be similar issues when searching on google.
Trying to see under which cover it would be and how to open said cover without breaking it. Ha ha.