Driver Seat Front Riser Movement Inoperative

SYMPTOM
DRIVER SEAT FRONT RISER MOVEMENT INOPERATIVE

POSSIBLE CAUSES
- Seat front down driver wire open
- Seat front down switch sense wire open
- Seat front up driver wire open
- Seat front up switch sense wire open
- Driver front riser motor inoperative
- Driver power seat switch defective
- MSM defective front riser motor output
- MSM defective front riser switch input open