DTC B1611 AIRMIX Door Actuator Potentiometer Circuit Short (Driver's): Trouble Symptom

Temperature cannot be adjusted.
Temperature of the driver's side cannot be adjusted for model with left/right independent air conditioner.
DTC "B1611" Short circuit in air mix door actuator - potentiometer (driver's) was detected.
"27" Short circuit in air mix door actuator - potentiometer (driver's) was detected.