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How to fix code P0537?

Tiny
LIONELL8732
  • MEMBER
  • 139 POSTS
I always keep it on max A/C and when it goes soft, I hear air flow coming from the passenger side like something is stuck.
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Sunday, August 28th, 2022 AT 11:12 AM
Tiny
LIONELL8732
  • MEMBER
  • 139 POSTS
Then I start turning the knob back and forth until it blows strong again.
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Sunday, August 28th, 2022 AT 11:13 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,427 POSTS
At this point, my first suspect is the mode door actuator. It is mounted on the HVAC box. Check to see if it is loose.

This is the actuator/door that controls the airflow direction. Check it and let me know if everything is secure.

If you look below, I attached a pic of it. I circled it in the pic. The other actuator is the blend door actuator. Confirm both are tight.

Take care and let me know what you find.

Joe

See pic below.
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Sunday, August 28th, 2022 AT 7:45 PM

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