DTC K

DTC indicator K: A Problem in the Air Mix Control Linkage, Doors, or Motor.

1. Test the air mix control motor.

Is the air mix control motor OK?

YES - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Go to step 2.

2. Remove the air mix control motor.
3. Check the air mix control linkage and doors for smooth movement.

Do the air mix control linkage and doors move smoothly?

YES - Replace the air mix control motor.

NO - Repair the air mix control linkage and doors.