Mode door module operation

Jack Millar · 2024-12-02T16:15:02+0000

Replace mode door actuator on 2011 sierra 4.8l. Door goes through all positions While doing the recalibration bit will not switch with the hvac module controls. Replaced hvac module last year.

By Jack Millar
December 2, 2024 in Ask A GM Technician

https://www.gm-trucks.com/forums/topic/269568-mode-door-module-operation/

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