Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
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STRAILER
AUTOMOTIVE REPAIR CONTRIBUTOR
54,176 POSTS
Yep, 9 times out of 10 it will be the blend door actuator for the driver side, here is the location and how to change it out which should fix the problem. You might want to try and reset the system though.